Merriam-Webster's Collegiate® Dictionary, 11th Edition
SKATE
I. noun (plural skates; also skate)
Etymology: Middle English scate, from Old Norse skata
Date: 14th century
any of a family (Rajidae, especially genus Raja ) of rays with the pectoral fins greatly developed giving the fish a flat diamond shape,
II. noun see: shake
Date: 1684
1. a metal frame that can be fitted to the sole of a shoe and to which is attached a runner or a set of wheels for gliding over ice or a surface other than ice, roller skate , ice skate , a period of skating,
III. verb (skated; skating)
Date: 1696
intransitive verb to glide along on skates propelled by the alternate action of the legs, to slip or glide as if on skates, to proceed in a superficial or blithe manner, transitive verb to go along or through by skating,
IV. noun
Etymology: probably alteration of English dialect skite an offensive person
Date: 1894
a thin awkward-looking or decrepit horse ; nag , fellow 4c