Cnidae

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cnida \Cni"da\ (n[imac]"d[.a]), n.; pl. {Cnid[ae]}
     (n[imac]"d[=e]). [NL., fr. Gr. kni`dh nettle, sea nettle.]
     (Zool.)
     One of the peculiar stinging cells found in C[oe]lenterata; a
     nematocyst; a lasso cell.
     [1913 Webster]