I. fə̇ˈlandə(r), -laan- noun
Etymology: Greek philandros loving men, from phil- + andr-, anēr man — more at andr-
1. -s
a. : philanderer
b. : flirtation
2.
[alteration of filander ]
a. -s : any of several medium-sized woolly opossums of So. and Central America
b. capitalized : a genus of marsupials including the woolly opossums
II. intransitive verb
( philandered ; philandered ; philandering -d(ə)riŋ ; philanders )
: to make love frivolously or in a trifling or fickle way : dally , flirt
belles and beaux philandered in the big hotels — Van Wyck Brooks
his penchant for philandering with pretty stenographers finally drove his wife to sue for divorce