bastion /'bastion; 'baestfan/ n (often five-sided) part of a fortification that stands out from the rest; (fig) military stronghold near hostile territory; (fig) sth preserved from destruction or change. 棱堡 (防御工事之突出部份，常有五面); 堡壘突角; (喻) 臨近敵境之軍事?lián)c; (喻) 未被破壞或改變之物。