筒

envelope

round well

cylinder

pipe

cylinder

well curb

canteen

cannon

multiple barrel model

cylindrical projection

cylindrical

barrel printer

dot tiles

nozzle

multiple barrels

tubular flower

cylindrical

round slices

tube-shaped

rocket launcher

(grenade, etc.) launcher

chimney

single barrel

Japanese-style oblong, open end envelope

container made by cutting a piece of bamboo lengthways

self-addressed stamped envelope

self-addressed stamped envelope

(warning) flare (esp. used on roads and railways)

the sound of gunfire

extractor (rifle)

cardboard mailing tube

return, postage-paid envelope

paper tube

photographic zenith tube

smoke bomb

pistol

tail covert (of a bird)

stun grenade

(chlorine) feeder tube

well curb of a round well

cartridge (for a firearm)

western-style envelope

tea caddy

window envelope

padded envelope

barrel of a gun

Oriental cuckoo (Cuculus saturatus)

brown envelope

blowgun

quiver

brush case

adhesive envelope

extractor mark (on a cartridge)

tube for shaking and dispensing lottery sticks

chimney

being overheard

grenade launcher

lens-barrel

tight sleeve (of a kimono or dress)

eel trap

grenade launcher

cylindrical chopsticks container

pump

ejector tube