/hus"leuhr/ , n.
1. an enterprising person determined to succeed; go-getter.
2. Slang. a person who employs fraudulent or unscrupulous methods to obtain money; swindler.
3. Informal. an expert gambler or game player who seeks out challengers, esp. unsuspecting amateur ones, in order to win money from them: He earned his living as a pool hustler.
4. Slang. a prostitute.
5. a person who hustles.
[ 1815-25; HUSTLE + -ER 1 ]