expressio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

expressĭo, ōnis, f. [exprimo] (postAug.), a pressing or squeezing out.

I In gen.: mellis, Pall. Jun. 7, 3: spiritus, Vitr. 9, 9.—

II In partic.

A In mechanics, a forcing apparatus to raise water, Vitr. 1, 1; 8, 7; cf. 2. expressus.—

B In architect., a projection , i. e. a fillet , listel , Vitr. 4, 4 fin.

C Of lang., vividness : summā expressione describere, Ambros. de Cain et Abel, 1, 2, 9.