D defs.my
Entry 1 sense Webster, 1913

Touchback

/(tŭch"băk`)/ · Touch·back · IPA
01 n. The act of touching the football down by a player behind his own goal line when it received its last impulse from an opponent; -- distingui…
  1. 1.
    The act of touching the football down by a player behind his own goal line when it received its last impulse from an opponent; -- distinguished from safety touchdown.(Football)