Defn: To swell, or be prominent, beyond the adjacent surface; to bulge out. S. Sharp.

PROTUBERATION
Pro*tu`ber*a"tion, n.

Defn: The act of swelling beyond the surrounding surface. Cooke (1615).

PROTUBEROUS
Pro*tu"ber*ous, a.

Defn: Protuberant. [R.]

PROTURETER
Pro`tu*re"ter, n. Etym: [NL. See Proto-, Ureter.] (Anat.)

Defn: The duct of a pronephros. Haeckel.

PROTYLE
Pro"tyle, n. Etym: [Proto- + Gr. (Chem. & Astron.)

Defn: The hypothetical homogeneous cosmic material of the original universe, supposed to have been differentiated into what are recognized as distinct chemical elements.

PROUD
Proud, a. [Compar. Prouder; superl. Proudest.] Etym: [OE. proud,
prout, prud, prut, AS. prut; akin to Icel. pruedhr stately, handsome,
Dan. prud handsome. Cf. Pride.]