5 letters · 7 points in Scrabble
noun a fleshy underground stem or root serving for reproductive and food storage
noun type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles
originEtymology tree Latin tuba Latin tubusder. Middle French tubeder. English tube English -er English tuber From tube + -er.
Etymology from Wiktionary, CC BY-SA 3.0