'follow-through' definitions:

Definition of 'follow-through'

From: WordNet
noun
Carrying some project or intention to full completion; "I appreciated his follow-through on his promise"
noun
The act of carrying a stroke to its natural completion; "his follow-through was straight down the line toward the target"; "squash can be dangerous if your opponent has a long follow- through"

Definition of 'follow-through'

From: GCIDE
  • follow-through \follow-through\ n.
  • 1. Carrying a process, plan, or project to full completion; as, I appreciated his follow-through on his promise. The term usually is used in reference to the period after some point in time at which the actor is given freedom to pursue the project. [WordNet 1.5 +PJC]
  • 2. (Golf, Baseball, Tennis) The remainder of a stroke with a club, bat, or racket after the ball has been hit. [PJC]