A thin cord or string used for tying or fastening things.
段ボールの紐をしっかり結んでください。
Please tie the cardboard box's string securely.
靴のひもがほどけたので結び直した。
My shoelace came undone, so I re-tied it.
そのバッグは細いひもで肩にかけるタイプだ。
That bag is the kind you sling over your shoulder with a thin strap.
箱の紐が途中で切れてしまった。
The box's string snapped midway.
A leash or lead used to tie or restrain an animal (e.g., a dog).
散歩のときは犬に必ずひもを付けてください。
Please always put a leash on your dog when walking it.
子供が逃げないようにベビーカーにひもを付けた。
I attached a strap to the stroller so the child wouldn't run off.
犬のひもを離してはいけない場所だ。
This is a place where you must not let go of your dog's leash.
Colloquial/slang: a man financially dependent on a woman (a kept man); often written in katakana (ヒモ).
彼は彼女に養われているいわゆるヒモだと言われている。
People say he is what you would call a kept man, supported by his girlfriend.
あの店のボーイはヒモ扱いされている噂がある。
There's a rumor that the waiter at that place is treated like a kept man.
ヒモ生活から抜け出すには自立が必要だ。
To get out of being a kept man, you need to become independent.
Figuratively, conditions or restrictions attached to something (often used as '〜にひもが付く' meaning restrictions are attached).
助成金にはしばしば使い道にひもが付いている。
Grants often come with restrictions on how they can be used.
その契約にはいくつかのひもがついているから注意して読んでください。
The contract has several strings attached, so please read it carefully.
The mantle or a band-like part of shellfish/seafood—used in cooking to refer to parts like the mantle or 'collar' meat.
ほたてのひもは煮物や炒め物に向いている。
Scallop 'himο' (the mantle/collar) is suitable for simmered or stir-fried dishes.
貝のひもを取り除いてから調理してください。
Remove the mantle from the shellfish before cooking.
In cooking, 'himo' refers to certain internal parts used as food — e.g., small intestines of beef/pork or oviduct meat of chicken.
焼きとん屋で豚のひもを注文した。
I ordered pork 'himo' at the yakiton (grilled pork skewers) shop.
ホルモン煮には牛のひもがよく使われる。
Beef 'himo' is often used in stewed offal dishes.