defenseman

[dih-fens-muh n, -man]
noun, plural de·fense·men [dih-fens-muh n, -men] /dɪˈfɛns mən, -ˌmɛn/. Sports.
  1. a player in certain games, as ice hockey or lacrosse, who lines up in a defensive zone or position.

Origin of defenseman

First recorded in 1890–95; defense + man1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018