naevus
Concise Oxford English Dictionary © 2008 Oxford University Press:
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 C19: from L.
'naevus' also found in these Oxford entries:

