Definitions for virelayˈvɪr əˌleɪ
Random House Webster's College Dictionary
vir•e•layˈvɪr əˌleɪ(n.)(pl.)-lays or -lais.
an old French form of short poem, composed of short lines running on two rhymes and having two opening lines recurring at intervals.
Origin of virelay:
1350–1400; ME < OF virelai
an ancient French song, or short poem, wholly in two rhymes, and composed in short lines, with a refrain