canteen; flask; water bottle; thermos
brown envelope; manila envelope
(arch.) chimney; kiseru; Japanese smoking pipe
(warning) flare (esp. used on roads and railways)
lens-barrel; lens tube (e.g. of a telescope)
single barrel; single-barrelled
self-addressed stamped envelope; SASE
(chlorine) feeder tube; (ammunition) cartridge
self-addressed stamped envelope; SASE
tail coverts (birds); tail pipe (turbine); receiver (rifle)
window envelope; billing envelope
Japanese-style oblong, open end envelope
extractor mark (on a cartridge)
return, postage-paid envelope
multiple barrels; multi-barrel
tubular flower; disk floret
multiple barrel model; multi-barrel model
ejector tube; ejector housing (revolver)