'Undershoot' definitions:

Definition of 'undershoot'

(from WordNet)
verb
Fall short of (the runway) in a landing; "The plane undershot the runway"
verb
Shoot short of or below (a target) [ant: overshoot]

Definition of 'Undershoot'

From: GCIDE
  • Undershoot \Un`der*shoot"\, v. t. To shoot short of (a mark). [1913 Webster]