Perpendicle

• (n.) Something hanging straight down; a plumb line.
Found on http://thinkexist.com/dictionary/meaning/perpendicle/

Perpendicle

Per·pen'di·cle noun [ Latin perpendiculum ; per + pendere to hang: confer French perpendicule .] Something hanging straight down; a plumb line. [ Obsolete]
Found on http://www.encyclo.co.uk/webster/P/60
No exact match found