Defn: Whitsuntide. [Written also pingster and pinxter.] Pinkster flower (Bot.), the rosy flower of the Azalea nudiflora; also, the shrub itself; — called also Pinxter blomachee by the New York descendants of the Dutch settlers.

PINK STERN
Pink" stern`. Etym: [See 1st Pink.] (Naut.)

Defn: See Chebacco, and 1st Pink.

PINK-STERNED
Pink"-sterned`, a. Etym: [See 1st Pink.] (Naut.)

Defn: Having a very narrow stern; — said of a vessel.

PINKY
Pink"y, n. (Naut.)

Defn: See 1st Pink.

PINNA
Pin"na, n.; pl. Pinnæ, E. Pinnas. Etym: [L., a feather.]

1. (Bot.) (a) A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate. (b) One of the primary divisions of a decompound leaf.

2. (Zoöl.)