n. [ OE. plommet, OF. plommet, fr. plom, plum, lead, F. plomb. See Plumb. ] 1. A piece of lead attached to a line, used in sounding the depth of water. [ 1913 Webster ]
I'll sink him deeper than e'er plummet sounded. Shak. [ 1913 Webster ]
2. A plumb bob or a plumb line. See under Plumb, n. [ 1913 Webster ]
3. Hence, any weight. [ 1913 Webster ]
4. A piece of lead formerly used by school children to rule paper for writing. [ 1913 Webster ]
Plummet line, a line with a plummet; a sounding line. [ 1913 Webster ]