8 letters · 14 points in Scrabble
noun primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
noun a notochord of a larval tunicate typically confined to the caudal region
originEtymology tree Proto-Indo-European *h₁wers-der. Ancient Greek οὐρέω (ouréō) Ancient Greek οὖρον (oûron)der. English uro- English chord English urochord From uro- + chord.
Etymology from Wiktionary, CC BY-SA 3.0