Villus \Vil"lus\, n.; pl. {Villi}. [L., shaggy hair, a tuft of hair.] 1. (Anat.) One of the minute papillary processes on certain vascular membranes; a villosity; as, villi cover the lining of the small intestines of many animals and serve to increase the absorbing surface. [1913 Webster] 2. pl. (Bot.) Fine hairs on plants, resembling the pile of velvet. [1913 Webster]
Villi \Vil"li\, n., pl. of {Villus}. [1913 Webster]