1) Impact crater on Mars 
• (n.) The close linen or muslin cap of an old woman.
Mutch (much) noun [ Confer Dutch mutse a cap, German mütze . Confer Amice a cape.] The close linen or muslin cap of an old woman. [ Prov. Eng. & Scot.]
A mutch is a close-fitting linen cap formerly worn by women and children in Scotland.
a close-fitting linen or muslin cap, as worn by elderly women or babies.