/wawk"on', -awn'/ , n.
1. Also called walking part . a small part in a play or other entertainment, esp. one without speaking lines. Cf. bit 2 (def. 6).
2. an entertainer or actor who plays such a part.
3. an athlete trying out for a team who has not been drafted, specifically invited, scouted, awarded a scholarship, etc.
[ 1900-05; n. use of v. phrase walk on ]