Fleshy, boned and muscled thing, too terrible to contemplate for long. Severed, connotes helplessness. Large, connotes brutality. At the five extremities of such a thing dully gleam translucent shells that guard the tenderest of areas.
A “right-hand man” is a traitor in comrade disguise, or a thought-less dog — most often the former. A “left-handed man” is a genius in the arts, or a madman. “Lend me a hand” — a proposed transaction in which fairness can never be absolutely guaranteed.