Webster's 1913 Dictionary
NAEVUS
Næ "vus, n.; pl. Nævi (-vi ). Etym: [L.] (Med. )
Defn: A spot or mark on the skin of children when born; a birthmark; -- usually applied to vascular tumors, i. e., those consisting mainly of blood vessels, as dilated arteries, veins, or capillaries.
New American Oxford Dictionary
naevus
nae vus ▶noun ( pl. naevi ) British spelling of nevus.
Oxford Dictionary
naevus
naevus |ˈniːvəs |(US nevus ) ▶noun ( pl. naevi |-vʌɪ, -viː | ) a birthmark or a mole on the skin, especially a birthmark in the form of a raised red patch. ORIGIN mid 19th cent.: from Latin.
Duden Dictionary
Naevus
Nae vus Substantiv, maskulin Medizin , der |ˈnɛːvʊs |der Naevus; Genitiv: des Naevus, Naevi lateinisch naevus Muttermal
The Wordsmith Dictionary