blade

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

   cut cleanly using a sharp blade

2. the flat, wide section of an implement or device such as an oar or a propeller.
3. a shoulder bone in a joint of meat, or the joint itself.
4. a long, narrow leaf of grass or another similar plant.

   a blade of grass

5. a dashing or energetic young man.

   the director, a young blade in an oversized suit

1. skate using Rollerblades.

   she loves to run, bike, blade, and explore the city

   blading with the wind in your face…that's really nice

Old English blæd ‘leaf of a plant’ (also in blade (sense 2 of the noun)), of Germanic origin; related to Dutch blad and German Blatt .