As a proper noun Flavin
is {{surname|from=Irish}} of southern Irish descent, from the Gaelic {{term|Ó Flaithimhín|lang=ga}}.
As a noun flavin
is any of a class of tricyclic heterocyclic compounds derived from riboflavin; found especially as the adenine dinucleotide (FAD.
As an adjective flavid is
yellow.
flavid
English
Adjective
(head)
yellow