goolie edge
The Reed Edge Ice Hockey Skates, $5,000 or the grafs
No. They're "in-line" and you can't shorten that to "line." (Older folks still call them Rollerblades.)
Meals on wheels
The leading edge
you call it a edge
"Eyelashes" is the hair on the edge of your eye.
roller skates ought to be called 'patins en ligne' in French, but the usual way is to call them skates / rollers / rollers skates. Hence roller skating is most often 'faire du roller' instead of 'patiner', which is outdated.
Speed Skates have the longest blade.
B/c the sharp edge is needed to provide control and forward motion. w/o the edge the skates would just as happily slide sideways across the ice which would make controlled skating slow, and close to impossible.
Lips.
Scapula
A piece of an edge of a circle is called an ARC.