Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One of a layer of flagellated cells lining the body cavity of a sponge and characterized by a collar of cytoplasm surrounding the flagellum.

from The Century Dictionary.

  • noun One of the collared and flagellated monadiform cells of sponges: so called from their great resemblance to choanoflagellate infusorians. Such cells form layers lining the flagellated endodermal chambers of sponges.

from the GNU version of the Collaborative International Dictionary of English.

  • noun any of the flagellated cells in sponges having a collar of cytoplasm around base of the flagellum; they maintain a flow of water through the body.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun any of the cells in sponges that contain a flagellum, and are used to control the movement of water

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek khoanē, funnel (from khein, to pour; see gheu- in Indo-European roots) + –cyte.]

Examples

  • Amazingly, half of the sponge's choanocyte (filtration) cells had divided and the choanocyte's cell division cycle was a phenomenally short 5.4 hours.

    EurekAlert! - Breaking News

  • Lapebie P, Renard E, Bezac C, Boury-Esnault N, et al. (2008) NK homeobox genes with choanocyte-specific expression in homoscleromorph sponges.

    PLoS ONE Alerts: New Articles

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