Protrusion of some part or organ from its normal position. ... Origin: L. E, out, + vagina, sheath ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
E·vag`i·na'tion noun [ Latin evaginatio an extending, evaginare to unsheathe; e out + vagina sheath.] The act of unsheathing. Found on http://www.encyclo.co.uk/webster/E/75