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brittlestar

(Encyclopedia)brittlestar, common name for echinoderms belonging to the class Ophiuroidea. The name is derived from their habit of breaking off arms as a means of defense. New arms are easily regenerated. They are ...

musket

(Encyclopedia)musket: see small arms.

pistol

(Encyclopedia)pistol: see small arms.

shotgun

(Encyclopedia)shotgun: see small arms.

revolver

(Encyclopedia)revolver: see small arms.

rifle

(Encyclopedia)rifle: see small arms.

semaphore

(Encyclopedia)CE5 Positions of a railroad semaphore: (A) clear, (B) caution, (C) stop semaphore sĕmˈəfôrˌ [key], device for the visible transmission of messages. The marine semaphore, used by day between s...

machine gun

(Encyclopedia)machine gun: see small arms.

shooting

(Encyclopedia)shooting, firing with rifle, shotgun, pistol, or revolver at stationary or moving targets. The term shooting is also used in Great Britain to mean small-game hunting. In the 19th cent. the sport of ri...

Simcoe, Lake

(Encyclopedia)Simcoe, Lake, 539 sq mi (1,396 sq km), S Ont., Canada, between Georgian Bay and Lake Ontario. Cook Bay, Kempenfelt Bay, and Lake Couchiching are arms of the lake. Lake Simcoe drains N through the Seve...