Denshi Jisho — Online Japanese dictionary

蝙蝠 かわほり 1: bat (animal);
2: (Abbreviation) umbrella;
3: opportunist
Noun 
蝙蝠 こうもり 1: bat (animal);
2: (Abbreviation) umbrella;
3: opportunist
Noun 
蝙蝠 へんぷく 1: bat (animal);
2: (Abbreviation) umbrella;
3: opportunist
Noun 
蝙蝠蛾 こうもりが swift moth (Hepialidae spp., esp. Endoclita excrescens)
Noun, Usually written using kana alone 
家蝙蝠 いえこうもり Japanese house bat (Pipistrellus abramus)
Noun, Usually written using kana alone 
大蝙蝠 おおこうもり fruit bat; flying fox
Noun, Usually written using kana alone 
蝙蝠傘 こうもりがさ (Western-style) umbrella
Noun 
油蝙蝠 あぶらこうもり Japanese house bat; Japanese pipistrelle (Pipistrellus abramus)
Noun, Usually written using kana alone 
天狗蝙蝠 てんぐこうもり greater tube-nosed bat (Murina leucogaster)
Noun, Usually written using kana alone 
吸血蝙蝠 きゅうけつこうもり vampire bat
Noun 
永良部大蝙蝠 えらぶおおこうもり northern Ryukyu fruit bat (Pteropus dasymallus dasymallus)
Noun, Usually written using kana alone 
沖縄大蝙蝠 おきなわおおこうもり Okinawa flying fox (Pteropus loochoensis) (extinct)
Noun, Usually written using kana alone 
大東大蝙蝠 だいとうおおこうもり Daito flying fox (Pteropus dasymallus daitoensis)
Noun, Usually written using kana alone 
小笠和大蝙蝠 おがさわおおこうもり Bonin flying fox (Pteropus pselaphon)
Noun, Usually written using kana alone 
鳥無き里の蝙蝠 とりなきさとのこうもり You are a man among the geese when the gander is away
Expression, Idiomatic expression 

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