shoe

• shoe [countable]
• 1 something that you wear to cover your feet, made of leather or some other strong material:
• I sat down and took off my shoes and socks.
• a pair of shoes
• He was wearing pointed black shoes.
• What size shoes do you take?
• high-heeled shoes
• running shoes
• a shoe shop
• shoe polish
• 2
•  in somebody's shoes
• in someone else's situation, especially a bad one:
• I wouldn't like to be in his shoes when his wife finds out what happened.
• Anyone in her shoes would have done the same thing.
• Don't be cross with them. Try to put yourself in their shoes(=imagine what it would feel like to be in their situation).
• 3
•  step into/fill somebody's shoes
• to do a job that someone else used to do, and do it as well as they did:
• It'll be hard to find someone to fill Pete's shoes.
• 4 a curved piece of iron that is nailed onto a horse's foot [= horseshoe]

• ➔ if the shoe fits, (wear it)

   at fit1 (8)

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.