undertow 引き波 [ひきなみ] /(n) (1) backwash/rip current/undertow/(2) stern wave/(3) drawback (of a tsunami, i.e. when a wave trough reaches land before a crest)/ ------- 引波 [ひきなみ] /(n) (1) backwash/rip current/undertow/(2) stern wave/(3) drawback (of a tsunami, i.e. when a wave trough reaches land before a crest)/ |