11 letters · 15 points in Scrabble
noun a small canal or duct as in some bones and parts of plants
originFrom Latin canāliculus (“small channel, pipe or gutter”), diminutive of canālis (“channel; pipe, gutter”), from canna (“cane, reed”), from Ancient Greek κάννα (kánna, “reed”).
Etymology from Wiktionary, CC BY-SA 3.0