γρῖφος

A. = γρῖπος, fishing-basket, creel, Plu. 2.47Id, Opp. H. 3.80, PTeb. 486 (ii/iii A. D.).
2. metaph., anything intricate, dark saying, riddle, Ar. V. 20, Demetr. Eloc. 153, Ath. 10.448b sqq.; γ. προβάλλειν Antiph. 74.5; λέγειν γρίφους παρὰ πότον Id. 124.2; distd. fr. αἴνιγμα, Poll. 6.19.
b. forfeit paid for failing to guess a riddle, Hsch.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project