Embolium, lij. n. g. The argument or first entry into a comedy.
Embolum, li, n. g. A bar of a doore: a mans yard: the entry into a iourney.Embryon bryi, n. g. The child in the mothers wombe before it haue perfect shape.
Lewis and Short: Latin dictionary
embŏlĭum, ii, n., = e)mbo/lion, something thrown in; in scenic lang., an interlude, ballet, Cic. Sest. 54, 116 (embolia pertinent ad gestus saltatorios, Schol.).