Mar, v. t. [imp. & p. p. Marred (märd); p. pr. & vb. n. Marring.] [OE.
marren, merren, AS. merran, myrran (in comp.), to obstruct, impede,
dissipate; akin to OS. merrian, OHG. marrjan, merran; cf. D. marren,
meeren, to moor a ship, Icel. merja to bruise, crush, and Goth. marzjan
to offend. Cf. Moor, v.] 1. To make defective; to do injury to, esp. by
cutting off or defacing a part; to impair; to disfigure; to deface.