PHYLON
Phy"lon, n.; pl. Phyla. Etym: [NL., fr. Gr. (Biol.)
Defn: A tribe.
PHYLUM
Phy"lum, n.; pl. Phyla. Etym: [NL. See Phylon.] (Zoöl.)
Defn: One of the larger divisions of the animal kingdom; a branch; a grand division.
PHYMA
Phy"ma, n.; pl. Phymata. Etym: [NL., fr. Gr. (Med.)
Defn: A tubercle on any external part of the body.
PHYSA
Phy"sa, n. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond.
PHYSALIA
Phy*sa"li*a, n. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A genus of large oceanic Siphonophora which includes the
Portuguese man-of-war.