筒とうTop 20000MeaningsSuffix1. pipe; tubeCounter2. counter for injection ampoulesKanji used筒cylinderPitch accentとうUsed in vocabulary発はつ煙えん筒とうsmoke bomb; smoke candleNoun発はっ射しゃ筒とう(grenade, etc.) launcherNoun排はい気き筒とうchimney; stack; flueNoun閃せん光こう発はつ音おん筒とうstun grenade (esp. the M84 stun grenade); flashbangNoun弾だん薬やく筒とうcartridge (for a firearm)Noun