English Reference

Word

bird

Phoneticsbird

US/ˈbɝd/

UK/bˈɜːd/

Definitions

01feathered animal

A1 · Beginner Countable noun

n. an animal with feathers and wings that usually flies and lays eggs.

n. any member of the class Aves, characterized by feathers, a beak, and the laying of hard-shelled eggs.

“We sat on the park bench and watched the birds eating bread crumbs.”

“Ornithologists observed several rare birds nesting in the cliffs, noting that their migratory patterns had shifted due to the unusually warm winter.”

Synonyms

02rude gesture

B2 · Upper Intermediate Countable noun American English · Slang

n. a rude sign made by holding up your middle finger.

n. the vulgar gesture of extending the middle finger as a sign of contempt or anger; usually used with 'flip' or 'give'.

“The angry driver gave him the bird after he took the parking spot.”

“The player was fined by the league after he flipped the bird to the opposing fans during the final minutes of the game.”

Synonyms

03aircraft

C1 · Advanced Countable noun Slang

n. a slang word for an airplane or helicopter.

n. a slang term for an aircraft, often used by pilots or aviation enthusiasts.

“The pilot said it was time to get the bird into the air.”

“The ground crew worked through the night to ensure the bird was flight-ready for the dawn reconnaissance mission.”

04prison sentence

C2 · Proficiency Uncountable noun British English · Slang

n. time spent in prison.

n. a period of time served in prison; often used in the phrase 'doing bird'.

“He’s doing bird for a robbery he committed last year.”

“After serving five years of bird, he found it difficult to reintegrate into a society that had changed so much in his absence.”

Usage

Commonly used in the idiomatic construction 'to do bird'.

05watching birds

B1 · Intermediate Science

v. to spend time looking for and identifying wild birds.

v. to observe or identify wild birds in their natural habitat as a hobby.

“They spent the whole weekend birding in the national park.”

“The group went birding along the coast, hoping to spot the rare plover that had been reported by local enthusiasts earlier that week.”

Synonyms

birdwatch

06easy course

C1 · Advanced Dialect · Informal

adj. an easy class or course at school that requires very little work.

adj. describing a university or school course that is notoriously easy to pass with minimal effort.

“I took a bird course in film studies just to get the credits.”

“Students often flock to the introductory sociology module, as it has a reputation for being a bird course with a very high pass rate.”

Teaching tip

This usage is specific to Canadian English; in the US, this is often called a 'mick' or 'gut' course.

Synonyms

Antonyms

Word family

ADJECTIVE

Related words

Idioms

Domains

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This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Common
Level
A1 · BeginnerOxford
Updated

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