intromittent

Adjective

 * 1)  Conveying, sending or passing into a body.
 * 2) * 1990, Raymond R. Forster, Norman I. Platnick, Jonathan A. Coddington, A Proposal and Review of the Spider Family Synotaxidae (Araneae, Araneoidea),, page 39,
 * Epigynum well developed, often with prominent paired lobes; internal female genitalia consisting of two widely separated pairs of receptacula with short intromittent ducts;.
 * 1) Used for intromission.
 * 1) Used for intromission.
 * 1) Used for intromission.

Usage notes
The most common usage, by far, is.