egg - animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds

roe - the egg mass or spawn of certain crustaceans such as the lobster

cause, do, make - give rise to; cause to happen or occur, not always intentionally; "cause a commotion"; "make a stir"; "cause an accident"

spat - spawn; "oysters spat"

lay - lay eggs; "This hen doesn't lay"