ejaculation

Concise Oxford English Dictionary © 2008 Oxford University Press:
ejaculate

▶verb /ɪˈdʒakjʊleɪt/ 

• 1 (of a man or male animal) eject semen from the body at the moment of sexual climax.

• 2 dated say something quickly and suddenly.

▶noun /ɪˈdʒakjʊlət/ semen that has been ejaculated.

– derivatives
ejaculation noun,
ejaculator noun,
ejaculatory /ɪˈdʒakjʊlət(ə)ri/ adjective.

– origin C16: from L. ejaculat-, ejaculari ‘dart out’, ult. from iacere ‘to throw’.