9 letters · 12 points in Scrabble
adjective of or pertaining to or resembling a fistula
adjective hollow and tube-shaped like a reed
originPossibly from Latin fistulōsus (“pipe-shaped, hole-filled, fistulous”), or an English medical pseudo-Latinism via fistula + -ous.
Etymology from Wiktionary, CC BY-SA 3.0