生せい理り用ようショーツMeanings1nounsanitary shorts; period pantiesUnderwear designed for menstruation, often with built-in absorbent layers or used with pads. サニタリーショーツ is a common synonym.See also: サニタリーショーツ生せい理り用ようショーツは、普ふ通つうの下した着ぎより吸きゅう水すい性せいが高たかい。Sanitary shorts are more absorbent than regular underwear.
