English Reference
noun · verb · adjective

cat

n. · v. · adj.
US /ˈkæt/ UK /kˈæt/ cat UK spelling cat's, cat's, catted, catting

  1. 01 A1 Beginner

    n.a small animal with fur, four legs, and a tail that people often keep as a pet.

    n.the domestic feline mammal, Felis catus, commonly kept as a companion animal or for catching mice.

    Simple

    The cat sat on the windowsill and watched the birds in the garden.

    In context

    The domestic cat has lived alongside humans for thousands of years, valued for its predatory instincts and companionship.

    felinepussycat
  2. 02 B1 Intermediate

    n.any large wild animal in the same family, such as a lion or tiger.

    n.any of various carnivorous mammals of the family Felidae, including both small and large species.

    Simple

    Lions and tigers are the largest cats in the world.

    In context

    Conservationists are working to protect the habitats of big cats like leopards and jaguars from further encroachment.

    felid
  3. 03 C1 Advanced SlangInformal Music

    n.a person, especially someone who likes jazz music.

    n.a person, particularly a man; historically associated with jazz subculture and beatnik slang.

    Simple

    He was a cool cat who knew everything about the local jazz scene.

    In context

    The club was filled with hip cats who spent the entire night discussing the nuances of bebop.

  4. 04 C1 Advanced Informal Nautical

    n.a short way of saying catamaran, which is a boat with two hulls.

    n.A shortened form of catamaran, referring to a multi-hulled watercraft with two parallel hulls of equal size.

    Simple

    We spent the weekend sailing a small cat around the bay.

    In context

    The racing cat proved much faster than the traditional monohulls during the regatta's opening leg.

    catamaran
  5. 05 C1 Advanced Technical Computing

    v.to show the contents of a computer file on the screen.

    v.To use the Unix 'cat' utility to concatenate and display the contents of files.

    Simple

    You can cat the log file to see the latest errors.

    In context

    The developer decided to cat the configuration files into a single output for easier debugging.

    concatenatedisplay
  6. 06 C2 Proficiency DialectInformalBritish English

    adj.very bad or terrible.

    adj.Used to describe something of very poor quality or a disastrous situation.

    Simple

    The weather was absolutely cat during our holiday in the west.

    In context

    The traffic on the motorway was cat, causing us to miss the start of the performance.

    Teacher's tip

    This usage is specific to Hiberno-English (Ireland) and is rarely understood outside of that region.

This entry
Level A1 · Beginner
Frequency Common
Updated