TROOP n.
Specifically, a small body of cavalry, light horse, or dragoons, consisting usually of about sixty men, commanded by a captain; the unit of formation of cavalry, corresponding to the company in infantry. Formerly, also, a company of horse artillery; a battery.
UMBRELLA n.
sting of a long, cylindrical dermal process covered with soft hairy feathers. Called also dragoon bird. -- Umbrella leaf (Bot.), an American perennial herb (Dyphylleia cymosa), having very large peltate and lobed radical leaves. -- Umbrella shell. (Zoöl.) See Umbrella, 3. -- Umbrella tree (Bot.), a kind of magnolia…