10 letters · 12 points in Scrabble
adjective convex on both sides; shaped like a lentil
originInherited from Middle English lenticular, lenticuler, borrowed from Medieval Latin lenticulāris (“lentil-shaped”), from Latin lenticula, from lēns + -cula, ultimately from Latin lēns (“lentil”).
Etymology from Wiktionary, CC BY-SA 3.0