1. To assume a particular posture or attitude; to contort the body into artificial attitudes, as an acrobat or contortionist; also, to pose.

2. Fig.: To assume a character; as, to posture as a saint.

POSTURER
Pos`tur*er, n.

Defn: One who postures.

POSTZYGAPOPHYSIS Post*zyg`a*poph"y*sis, n.; pl. Postzygapophyses. Etym: [NL. See Post- , and Zygapophysis.] (Anat.)

Defn: A posterior zygapophysis.

POSY
Po"sy, n.; pl. Posies. Etym: [Contr. fr. poesy.]

1. A brief poetical sentiment; hence, any brief sentiment, motto, or legend; especially, one inscribed on a ring. "The posy of a ring." Shak.

2. Etym: [Probably so called from the use of flowers as having an enigmatical significance. Wedgwood.]

Defn: A flower; a bouquet; a nosegay. "Bridegroom's posies." Spenser. We make a difference between suffering thistles to grow among us, and wearing them for posies. Swift.