blade

Concise Oxford English Dictionary © 2008 Oxford University Press:
blade/bleɪd/

▶noun

• 1 the flat cutting edge of a knife or other tool or weapon.

• 2 the broad, flat part of an oar, propeller, or other object.

• 3 a long, narrow leaf of grass.

• 4 informal, dated a dashing or energetic young man.

• 5 a shoulder bone in a joint of meat, or the joint itself.

▶verb informal skate using Rollerblades.

– derivatives
bladed adjective.

– origin OE blæd, of Gmc origin.