underrun
1 of 2verb
un·der·run ˌən-dər-ˈrən 
underran ˌən-dər-ˈran ; underrun; underrunning
; underrun; underrunning transitive verb
1
: to pass along under in order to examine (a cable)
2
: to pass or extend under
underrun
2 of 2noun
un·der·run ˈən-dər-ˌrən
ˈən-də-
: the amount by which something produced (such as a cut of lumber) falls below an estimate
Word History
First Known Use
Verb
1547, in the meaning defined at sense 1
Noun
1926, in the meaning defined above