tight end

Short definition from Wiktionary

Noun

1. 1
   The position at the end of the offensive line whose primary jobs are to block and serve as a short receiver.
2. 2
   A player (called an end) playing the position of tight end (sense 1.1).
3. 3
   The position at the end of the offensive line whose primary jobs were to block and serve as a short receiver; this position is no longer used.
4. 4
   A player (called an end) playing the position of tight end (sense 2.1).