Defn: Pertaining to a procession; consisting in processions; as, processionary service. Processionary moth (Zoöl.), any moth of the genus Cnethocampa, especially C. processionea of Europe, whose larvæ make large webs on oak trees, and go out to feed in regular order. They are covered with stinging hairs.

PROCESSIONER
Pro*ces"sion*er, n.

1. One who takes part in a procession.

2. A manual of processions; a processional. Fuller.

3. An officer appointed to procession lands. [Local, U. S. (North Carolina and Tennessee).] Burrill.

PROCESSIONING
Pro*ces"sion*ing, n.

Defn: A proceeding prescribed by statute for ascertaining and fixing the boundaries of land. See 2d Procession. [ Local, U. S.] Bouvier.

PROCESSIVE
Pro*ces"sive, a.

Defn: Proceeding; advancing.
Because it is language, — ergo, processive. Coleridge.

PROCESS PLATE Proc"ess plate. (a) A plate prepared by a mechanical process, esp. a photomechanical process. (b) A very slow photographic plate, giving good contrasts between high lights and shadows, used esp. for making lantern slides.