Flame cell. flame cell. an excretory cell with a bunch of cilia that expel wastes to the outside; the action s of the cilia somewhat resemble a flickering flame, as in certain flatworms. Source: Noland, George B. 1983. General Biology, 11th Edition.
spay definition, meaning, what is spay: to remove the ovaries of a female animal: . Learn more.
Ply is defined as to make multiple layers, to work at, to keep supplying or to keep asking questions. 1  An example of ply is to stack thin sheets of wood together to make plywood.  An example of ply is to use your skills at a job, to ply your craft.