Definition of phacella in US English:

phacella

noun

Zoology
  • Any of the rows or clusters of filaments projecting into the central gastric cavity of a cnidarian.

Origin

Late 19th century; earliest use found in The Century Dictionary. Alteration of phacellus after Latin feminine nouns ending in -a.

Pronunciation

phacella

/fəˈsɛlə/