cirri: meaning, definition, pronunciation and examples

Low
UK/ˈsɪraɪ/US/ˈsɪraɪ/

Scientific / Technical / Formal

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Quick answer

What does “cirri” mean?

The plural of 'cirrus'.

Audio

Pronunciation

Definition

Meaning and Definition

The plural of 'cirrus'; slender, thread-like appendages or structures in biology, or a type of high-altitude cloud formation.

In botany/zoology: hair-like structures or tendrils used for attachment or sensing. In meteorology: high, wispy clouds composed of ice crystals.

Dialectal Variation

British vs American Usage

Differences

No significant differences in usage or spelling. Both follow the same scientific conventions.

Connotations

Neutral, technical term in both varieties.

Frequency

Equally rare in general language, used identically in specialist fields in both regions.

Grammar

How to Use “cirri” in a Sentence

The [organism] uses its cirri for [function].[Subject] is adorned with delicate cirri.High-altitude cirri indicate [weather condition].

Vocabulary

Collocations

strong
delicate cirricloud cirribarnacle cirrifeathery cirri
medium
observe the cirriformed of cirricovered in cirri
weak
long cirrinumerous cirrifine cirri

Examples

Examples of “cirri” in a Sentence

adjective

British English

  • The cirriform clouds thickened.
  • A cirrose appendage was visible.

American English

  • The cirriform clouds thickened.
  • A cirrose appendage was visible.

Usage

Meaning in Context

Business

Virtually never used.

Academic

Used in biology, meteorology, and geology papers.

Everyday

Extremely rare outside educational or documentary contexts.

Technical

Standard term in relevant scientific descriptions and classifications.

Vocabulary

Synonyms of “cirri”

Strong

appendages (biological)wisps (meteorological)

Neutral

filamentstendrilsstrands

Weak

threadshairs

Vocabulary

Antonyms of “cirri”

solid massessheetssmooth surfaces

Watch out

Common Mistakes When Using “cirri”

  • Using 'cirri' as a singular noun (singular is 'cirrus').
  • Mispronouncing as /ˈsɜːri/ or /ˈkɪri/.

FAQ

Frequently Asked Questions

It is the plural form. The singular is 'cirrus'.

Yes, but as the plural of 'cirrus', a type of cloud. You would say 'The sky is filled with cirri' meaning multiple cirrus clouds.

Barnacles are a classic example. They use their cirri, which are feathery legs, to sweep food from the water.

It is pronounced /ˈsɪraɪ/, sounding like 'SIR-eye'.

The plural of 'cirrus'.

Cirri is usually scientific / technical / formal in register.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

Think of 'SIR-eye' – a knight (sir) looking up at the wispy clouds or the hairy legs of a tiny creature.

Conceptual Metaphor

THREAD-LIKE STRUCTURES ARE HAIRS / CLOUDS ARE FEATHERS

Practice

Quiz

Fill in the gap
Under the microscope, we could see the protozoan's moving to gather food.
Multiple Choice

In which field would you *most likely* encounter the term 'cirri'?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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