Pronunciation: (vil'us),[key] —n., —pl.vil•liPronunciation: (vil'ī).[key] 1. Anat.,Zool.one of the minute, wormlike processes on certain membranes, esp. on the mucous membrane of the small intestine, where they serve in absorbing nutriment.
2. Bot.one of the long, soft, straight hairs covering the fruit, flowers, and other parts of certain plants.