to eject (semen) from the body in orgasm
formal to utter (something) suddenly and vehemently
ejaculation /-ʹlaysh(ə)n/ noun
ejaculative /-tiv/ adj
ejaculator noun
ejaculatory /-lət(ə)ri/ adj
[Latin ejaculatus, past part. of ejaculari to throw out, from ex-1 + jaculari to throw]