I. pȯrt-ˈman-(ˌ)tō noun
( plural -teaus or port·man·teaux -(ˌ)tōz)
Etymology: Middle French portemanteau, from porter to carry + manteau mantle, from Latin mantellum — more at port
Date: 1579
1. : a large suitcase
2. : a word or morpheme whose form and meaning are derived from a blending of two or more distinct forms (as smog from smoke and fog )
II. adjective
Date: 1909
1. : combining more than one use or quality
2. : being a portmanteau
a portmanteau word