1. Fine nonpigmented hair covering most of the body. 2. A structure that is fleecy or soft and woolly in appearance. [L. fleece]
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n.
the fine hair that occurs on the body before puberty is reached.
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vel·lus (velґəs) [L. “fleeceâ€] 1. the fine hair that succeeds the lanugo over most of the body. 2. a structure resembling this fine hair.Medical dictionary. 2011.