PIN n.
ck, a lock having a cylindrical bolt; a lock in which pins, arranged by the key, are used instead of tumblers. -- Pin money, an allowance of money, as that made by a husband to his wife, for private and personal expenditure. -- Pin rail (Naut.), a rail, usually within the bulwarks, to hold belaying pins. Sometimes ap…
PLUG n.
e Working) See Feather, n., 7. -- Plug centerbit, a centerbit ending in a small cylinder instead of a point, so as to follow and enlarge a hole previously made, or to form a counterbore around it. -- Plug rod (Steam Eng.) , a rod attached to the beam for working the valves, as in the Cornish engine. -- Plug valve (M…