"pseudoseptum" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "septum"
      },
      "expansion": "pseudo- + septum",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + septum",
  "forms": [
    {
      "form": "pseudosepta",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pseudosepta"
      },
      "expansion": "pseudoseptum (plural pseudosepta)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pseudo-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A plate of silica that extends inwards from the apical part of the valve of some diatoms"
      ],
      "id": "en-pseudoseptum-en-noun-6ia7dqrO",
      "links": [
        [
          "silica",
          "silica"
        ],
        [
          "apical",
          "apical"
        ],
        [
          "valve",
          "valve"
        ],
        [
          "diatom",
          "diatom"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɛptəm"
    }
  ],
  "word": "pseudoseptum"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "septum"
      },
      "expansion": "pseudo- + septum",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + septum",
  "forms": [
    {
      "form": "pseudosepta",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pseudosepta"
      },
      "expansion": "pseudoseptum (plural pseudosepta)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms prefixed with pseudo-",
        "Rhymes:English/ɛptəm",
        "Rhymes:English/ɛptəm/4 syllables"
      ],
      "glosses": [
        "A plate of silica that extends inwards from the apical part of the valve of some diatoms"
      ],
      "links": [
        [
          "silica",
          "silica"
        ],
        [
          "apical",
          "apical"
        ],
        [
          "valve",
          "valve"
        ],
        [
          "diatom",
          "diatom"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɛptəm"
    }
  ],
  "word": "pseudoseptum"
}