Recepticle or receptacle to "receive back,"

In Zoology
*an organ or structure that receives a secretion, eggs, sperm cells, etc.

Common use
* women that receive secretions, spermatozoa, etc. without requiring a condom.

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower

A handy method of transferring semen from your bedroom to the bathroom without actually leaving the room. Not akin to 'sperm bank' or the like which is more for plural transportation / storage of fluids. A human vessel.