9 letters · 15 points in Scrabble
noun an external abdominal pouch in most marsupials where newborn offspring are suckled
originBorrowed from Latin marsūpium, from Ancient Greek μαρσίππιον (marsíppion), diminutive of μάρσιππος (mársippos, “pouch”), perhaps of Oriental origin.
Etymology from Wiktionary, CC BY-SA 3.0