Medical Dictionary
2 ENTRIES FOUND:

lacuna

noun la·cu·na \lə-ˈk(y)ü-nə\
plural la·cu·nae \-ˈkyü-(ˌ)nē, -ˈkü-ˌnī\

Definition of LACUNA

:  a small cavity, pit, or discontinuity in an anatomical structure: as a :  one of the follicles in the mucous membrane of the urethra b :  one of the minute cavities in bone or cartilage occupied by the osteocytes
la·cu·nar \-ˈk(y)ü-nər\ adjective

Illustration of LACUNA

March 31, 2015
refluent Hear it
Flowing back
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears