PERFECT a.
tave, fifth, and fourth; a perfect consonance; a common chord in its original position of keynote, third, fifth, and octave. -- Perfect number (Arith.), a number equal to the sum of all its divisors; as, 28, whose aliquot parts, or divisors, are 14, 7, 4, 2,
PIN n.
on. -- Pin lock, 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…