瓶へい首しゅ効こう果かMeaningsNoun1. bottleneck effect (Rare)Other readingsびん首くび効こう果か瓶びん首くび効こう果かKanji used瓶bottle首neck効be effective果fruitComposed of瓶へいjar or vase with a long narrow neckNoun首しゅcounter for songs and poemsCounter効こう果かeffect; effectiveness; efficacy; result; effects (e.g. sound effects, visual effects, special effects)Noun