1. a cord with a lead bob attached to one end, used to determine perpendicularity, the depth of water, etc. Cf. plumb (def. 1).
2. See plumb rule .
[ 1530-40 ]
1. a cord with a lead bob attached to one end, used to determine perpendicularity, the depth of water, etc. Cf. plumb (def. 1).
2. See plumb rule .
[ 1530-40 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012