11 letters · 18 points in Scrabble
verb decorate with wavy or winding lines
adjective infested with or damaged (as if eaten) by worms
adjective decorated with wormlike tracery or markings
originBorrowed from Latin vermiculatus (“inlaid in wavy lines”), past participle of vermiculor (“to be full of worms or worm-eaten”), from vermiculus (“little worm”).
Etymology from Wiktionary, CC BY-SA 3.0