loculus: meaning, definition, pronunciation and examples
Rare / TechnicalFormal / Technical (used primarily in academic, scientific, or specialised archaeological contexts)
Quick answer
What does “loculus” mean?
A small compartment, chamber, or cell, especially in biology (e.
Audio
Pronunciation
Definition
Meaning and Definition
A small compartment, chamber, or cell, especially in biology (e.g., anthers, pollen sacs, coral skeletons) or archaeology (a burial niche in a tomb).
A small cavity or compartment in biological structures; in medicine/histology, a small fluid-filled space; in archaeology/architecture, a recess or niche for a burial urn or coffin.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or frequency. Usage is determined by scientific/technical discipline, not regional variety. Spelling is always 'loculus' (plural: loculi).
Connotations
Purely denotative, with no emotive or cultural connotations in either variety.
Frequency
Extremely low frequency in both regions. Its occurrence is confined to highly specialised texts. Slightly more likely to be encountered in UK archaeological publications due to Roman and medieval site terminology.
Grammar
How to Use “loculus” in a Sentence
The loculus (in/of the anther) contains pollen.A burial loculus was carved (into the wall).The cyst formed a fluid-filled loculus.Vocabulary
Collocations
Examples
Examples of “loculus” in a Sentence
verb
British English
- The tissue can loculate, forming multiple small cavities.
- The infection led to a loculated abscess.
American English
- The cyst began to loculate, creating separate chambers.
- The fluid collection was loculated and required drainage.
adverb
British English
- The chambers were arranged loculately along the central axis.
American English
- The seeds are produced loculicidally, with the capsule splitting along the chamber walls.
adjective
British English
- The locular structure was examined under the microscope.
- A triloculate ovary is a defining characteristic.
American English
- The anthers are biloculate.
- They noted the locular arrangement of the spores.
Usage
Meaning in Context
Business
Not used.
Academic
Primary context. Used in research papers in botany, mycology, zoology, archaeology, medicine. Example: 'Each anther loculus dehisces independently.'
Everyday
Virtually never used. Would cause confusion.
Technical
Defining context. Used in field-specific descriptions, manuals, and taxonomic keys. Example: 'The number of loculi is a key diagnostic feature for the genus.'
Vocabulary
Synonyms of “loculus”
Vocabulary
Antonyms of “loculus”
Watch out
Common Mistakes When Using “loculus”
- Mispronouncing as /loʊˈkuːləs/ (like 'local' + 'us').
- Using it in non-technical writing.
- Confusing plural: 'loculuses' is incorrect; the correct plural is 'loculi'.
- Assuming it has a general meaning like 'small location'.
FAQ
Frequently Asked Questions
No, it is a rare, highly technical term used almost exclusively in scientific and archaeological contexts.
The correct plural is 'loculi' (/ˈlɒkjʊlaɪ/ or /ˈlɑːkjʊlaɪ/). 'Loculuses' is incorrect.
No, that would be a metaphorical extension not supported by standard usage. In technical contexts, it refers to natural or purpose-built small compartments, not furniture or rooms.
They are often used synonymously, especially in botany. 'Locule' is a slightly more modern and prevalent variant in some biological subfields, while 'loculus' is the traditional Latin form used across disciplines.
A small compartment, chamber, or cell, especially in biology (e.
Loculus is usually formal / technical (used primarily in academic, scientific, or specialised archaeological contexts) in register.
Loculus: in British English it is pronounced /ˈlɒkjʊləs/, and in American English it is pronounced /ˈlɑːkjʊləs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. This word does not appear in idiomatic expressions.”
Learning
Memory Aids
Mnemonic
Think of LOCUS (a place) + U + 'S' (small). A 'loculus' is a very small, specific place or compartment.
Conceptual Metaphor
CONTAINER (The body/tissue/structure is a container with smaller compartments.)
Practice
Quiz
In which field would you LEAST likely encounter the word 'loculus'?