管|くだkuda[1]atamadaka (head-high)

1. nounpipe; tube
2. nounbobbin (in a shuttle or spinning wheel)

• Synonym筒つつNeutralA cylindrical hollow object such as 「竹筒」 or 「茶筒」; it stresses the tube shape, while 「管」 stresses something slender used to convey liquids or gases.
• SynonymパイプNeutralA loanword for conduits and tobacco pipes, mostly hard pipes; 「管」 is the general, everyday word.
• SynonymチューブNeutralA loanword for soft, squeezable tubes such as toothpaste tubes; 「管」 refers to a general slender tube.

Use 「管」 for slender hollow tubes that carry liquids or gases, 「筒」 for cylindrical hollow objects, 「パイプ」 for hard pipes or tobacco pipes, and 「チューブ」 for soft, squeezable tubes.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （くだ）中空ちゅうくうになっている棒状ぼうじょうのもので、主おもに流動性りゅうどうせいのあるものを移動いどうさせるために用もちいる。パイプ、チューブ。