ósculo

Etymology
Borrowed from.

Noun

 * 1)  kiss
 * 2)  osculum main opening in a sponge
 * 1)  osculum main opening in a sponge

Etymology
, diminutive of.

Noun

 * 1)  kiss
 * 2)  osculum opening in sponges
 * 1)  osculum opening in sponges