#1 plumb r. [clean, plum] completely; used as intensifiers; "clean forgot the appointment"; "I'm plumb (or plum) tuckered out". wn
#2 plumb v. measure the depth of something. wn
#3 plumb n. [plumb bob, plummet] the metal bob of a plumb line. wn
#4 plumb s. exactly vertical; "the tower of Pisa is far out of plumb". wn
#5 plumb v. weight with lead. wn
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