Meaning : Add as an extra or as a gratuity.
Meaning : Give up in the face of defeat of lacking hope. Admit defeat.
Example :
In the second round, the challenger gave up.
Synonyms : chuck up the sponge, drop by the wayside, drop out, fall by the wayside, give up, quit, throw in the towel
Become a participant. Be involved in.
Enter a race.