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.
The definition of classy is a person or thing that has a lot of style and elegance. 1  Jane Seymour is an example of a classy woman. 2  Sending thank you cards is an example of a classy activity.