1.【军】侧堡,侧面堡垒;侧卫
2.【足】侧翼后卫运动员
1.a soldier in a unit that protects the flank of a military column on the march
2.a wing forward who plays on either of the flanks
3.in Australian Rules football, a player occupying a position on one side of the field, e.g. the right or left halfback or right or left half-forward