m 3 o 1 n 1 o 1 c 3 o 1 t 1 y 4 l 1 e 1 d 2 o 1 n 1 o 1 u 1 s 1
16 letters · 24 points in Scrabble
Meaning
adjective (of a flowering plant) having a single cotyledon in the seed as in grasses and lilies
originFrom mono- + cotyledon + -ous.
Etymology from Wiktionary, CC BY-SA 3.0