PROTHALAMION; PROTHALAMIUM
Pro`tha*la"mi*on, Pro`tha*la"mi*um, n. Etym: [NL., fr. Gr.
Defn: A song in celebration of a marriage. Drayton.
PROTHALLIUM
Pro*thal"li*um, n.; pl. Prothallia. Etym: [NL.] (Bot.)
Defn: Same as Prothallus.
PROTHALLUS
Pro*thal"lus, n.; pl. Prothalli. Etym: [NL., fr. Gr. (Bot.)
Defn: The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oöphoric generation of ferns, etc.
PROTHESIS
Proth"e*sis, n. Etym: [NL., fr. Gr.
1. (Eccl.)
Defn: A credence table; — so called by the Eastern or Greek Church.
2. (Med.)