12 letters · 22 points in Scrabble
noun insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
originFrom translingual Hymenoptera + -an, from neuter plural of Ancient Greek ὑμενόπτερος (humenópteros, “membrane-winged”), from ὑμήν (humḗn, “thin skin, membrane”) + πτερόν (pterón, “feather, wing”) + -ος (-os, adjectival suffix).
Etymology from Wiktionary, CC BY-SA 3.0