full-back

• fullback
• full back

full-back (plural full-backs)

1. (soccer) A player who plays on the left or right side of defence.
   • 2015 February 24, Daniel Taylor, “Luis Suárez strikes twice as Barcelona teach Manchester City a lesson”, in The Guardian (London)‎:

     For long, awkward spells, City looked out of their depth. Dani Alves and Jordi Alba attacked like whippets from the full-back positions.

2. (rugby) The player who wears the number 15 jersey at the start of play. The last line of defence responsible for catching punts.

• centre-back
• wing-back

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