Defn: The course of plank laid horizontally over the timberheads of a vessel's frame.
PLANKTON Plank"ton (plank"ton), n. [NL., fr. Gr. plagto`n, neut. of plagto`s wandering, pla`zesqai to wander.] (Biol.)
Defn: All the animals and plants, taken collectively, which live at or near the surface of salt or fresh waters. —Plank*ton"ic (#), a.
PLANLESS
Plan"less, a.
Defn: Having no plan.
PLANNER
Plan"ner, n.
Defn: One who plans; a projector.
PLANO-
Pla"no-.
Defn: See Plani-.
PLANOBLAST
Plan"o*blast, n. Etym: [Gr. -blast.] (Zoöl.)