Dictionary

collar cell

noun

Definition of COLLAR CELL

:  a flagellated endodermal cell that lines the cavity of a sponge and has a contractile protoplasmic cup surrounding the flagellum —called also choanocyte

First Known Use of COLLAR CELL

circa 1889

Browse

Next Word in the Dictionary: coll' arcoPrevious Word in the Dictionary: collar buttonAll Words Near: collar cell
May 27, 2015
riot act Hear it
a vigorous reprimand or warning
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears