villus

/ˈvɪləs/

/ˈvɪləs/

Other forms: villi

Definitions of villus

1. noun

   a minute hairlike projection on mucous membrane
   types:

   chorionic villus

   one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta

   type of:

   appendage, outgrowth, process

   a natural prolongation or projection from a part of an organism either animal or plant