Something ejected or thrown out; specifically a biological fluid or substance that is discharged.
From Latin 'ejaculum' (a javelin or missile), derived from 'jaculum' (something thrown), from 'jacere' (to throw), with 'e-' prefix meaning 'out.'
The Latin word originally meant 'javelin'—so calling something an ejaculum is literally using ancient military terminology for projectiles to describe biological discharge, which is one of language's strangest inheritances!
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