The Collaborative International Dictionary
Phacelli
Phacellus \Pha*cel"lus\, n.; pl. Phacelli. [NL., fr. Gr. ? a bundle of fagots.] (Zo["o]l.) One of the filaments on the inner surface of the gastric cavity of certain jellyfishes.
Wiktionary
phacelli
n. (plural of phacellus English)