lacus

(redirected from Lacus lacrimalis)
Also found in: Medical.

lacus

(lah -kŭs) A small relatively smooth dark isolated area. The word is used in the approved name of such a surface feature on the Moon and, now unofficially, on Mars. (Latin: lake)
References in periodicals archive ?
The negative pressure sucks in the tears which are located in the lacus lacrimalis.
Once an eyelash is shed into the external ocular surface, it can cause foreign body sensation, leading to reflex tearing that will carry it away to the lacus lacrimalis.