"-d" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-d",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-d",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-ed now only standard with words which end in -e"
        },
        {
          "word": "but historically permissable in all the same places as -ed"
        }
      ],
      "categories": [
        {
          "_dis": "31 32 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "bone → boned, learn → learnd"
        }
      ],
      "glosses": [
        "Alternative form of -ed now only standard with words which end in -e, but historically permissable in all the same places as -ed."
      ],
      "id": "en--d-en-suffix-buklqnfr",
      "links": [
        [
          "-ed",
          "-ed#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "31 32 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "damn → damnd (→ damnded), drown → drownd (→ drownded)"
        }
      ],
      "glosses": [
        "An empty suffix, perhaps derived from the past-tense suffix above, added in some dialects to the present tense forms of some words which then add an additional -ed in the past tense."
      ],
      "id": "en--d-en-suffix-cPhbpIwD",
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "31 32 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "2d grade; 23d century"
        }
      ],
      "glosses": [
        "Marks ordinals written in digits when the final term of the spelled number is \"second\" or \"third\""
      ],
      "id": "en--d-en-suffix-lY~kcODd",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "23 35 42",
      "sense": "marking ordinals ending with \"second\"",
      "word": "-nd"
    },
    {
      "_dis1": "23 36 41",
      "sense": "marking ordinals ending with \"third\"",
      "word": "-rd"
    }
  ],
  "word": "-d"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English suffixes"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-d",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-d",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "alt_of": [
        {
          "word": "-ed now only standard with words which end in -e"
        },
        {
          "word": "but historically permissable in all the same places as -ed"
        }
      ],
      "examples": [
        {
          "text": "bone → boned, learn → learnd"
        }
      ],
      "glosses": [
        "Alternative form of -ed now only standard with words which end in -e, but historically permissable in all the same places as -ed."
      ],
      "links": [
        [
          "-ed",
          "-ed#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    },
    {
      "examples": [
        {
          "text": "damn → damnd (→ damnded), drown → drownd (→ drownded)"
        }
      ],
      "glosses": [
        "An empty suffix, perhaps derived from the past-tense suffix above, added in some dialects to the present tense forms of some words which then add an additional -ed in the past tense."
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "examples": [
        {
          "text": "2d grade; 23d century"
        }
      ],
      "glosses": [
        "Marks ordinals written in digits when the final term of the spelled number is \"second\" or \"third\""
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "marking ordinals ending with \"second\"",
      "word": "-nd"
    },
    {
      "sense": "marking ordinals ending with \"third\"",
      "word": "-rd"
    }
  ],
  "word": "-d"
}