† ˈmusen,v.Obs.rare—1. [? a. MHG.mûsen (inf.) in the same sense: see moult v.] = mew v.1 2. 1623Cockeram, Pollard, is a Stagge..hauing cast his head,..then he is said to musen.1658Phillips, Musen, a term among Hunters, is when a Stag..casts his Head.