GLOCHIDIUM Scrabble 19 Words With Friends 23 Definition noun a barbed spine or bristle (often tufted on cacti). — synonyms: glochid Examples “Glochidia were once believed to be parasites on the gills of the parents.” See all 148 words you can make from GLOCHIDIUM → 10-letter words Words starting with G Words ending with M ← Unscramble different letters