"lbm" meaning in English

{
  "etymology_text": "See lb (“pound”).",
  "forms": [
    {
      "form": "lbm",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lbₘ",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "lbm",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "unit of mass",
          "word": "pound-mass"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "lbf"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              55,
              58
            ]
          ],
          "ref": "2000 October 9, Gérard P. Michon, “What is a slug, in the [engineering] weight measurement system?”, in Numericana.com:",
          "text": "On the moon, however the weight of a pound-mass (lb or lbm) is only about one sixth of a pound-force (lbf).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Abbreviation of pound-mass (“unit of mass”)."
      ],
      "id": "en-lbm-en-noun-bJfpJakC",
      "links": [
        [
          "pound-mass",
          "pound-mass#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "lbm"
}

{
  "etymology_text": "See lb (“pound”).",
  "forms": [
    {
      "form": "lbm",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "lbₘ",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "lbm",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "unit of mass",
          "word": "pound-mass"
        }
      ],
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "coordinate_terms": [
        {
          "word": "lbf"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              55,
              58
            ]
          ],
          "ref": "2000 October 9, Gérard P. Michon, “What is a slug, in the [engineering] weight measurement system?”, in Numericana.com:",
          "text": "On the moon, however the weight of a pound-mass (lb or lbm) is only about one sixth of a pound-force (lbf).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Abbreviation of pound-mass (“unit of mass”)."
      ],
      "links": [
        [
          "pound-mass",
          "pound-mass#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "lbm"
}