Perpendicle

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Perpendicle \Per*pen"di*cle\, n. [L. perpendiculum; per +
     pendere to hang: cf. F. perpendicule.]
     Something hanging straight down; a plumb line. [Obs.]
     [1913 Webster]