carinate
Definition
Adjective:
- Having a ridge or shaped like a ridge.
- Resembling or suggesting the keel of a ship.
Noun:
- A bird having a keeled breastbone (sternum) for the attachment of flight muscles.
Usage
- Adjective:
- The carinate structure of the seed pod helps in wind dispersal.
- The fossil exhibited a carinate ventral surface, similar to a boat's keel.
- Noun:
- Most flying birds are carinates, unlike flightless birds such as ostriches.
Advanced Usage
- In Biology: Used to describe anatomical features, especially in botany and zoology, that possess a prominent central ridge.
- The botanist noted the carinate sepals of the flower.
- In Paleontology: Used to describe fossils with a keel-like structure.
- The carinate shape of the bone fragment suggested it belonged to a volant (flying) species.
Variants and Related Words
- Carinated (adj.): An alternative form of the adjective 'carinate'.
- The leaf has a carinated midrib.
- Carina (n.): The singular form referring to the ridge or keel-like structure itself.
- The carina of the breastbone is well-developed in hummingbirds.
Synonyms
- Adjective:
- Ridged: Having a ridge or ridges.
- Keeled: Shaped like a keel.
- Noun:
- Carinate bird: A more descriptive synonym for the noun form.
- Flying bird (in a general, non-technical sense, though not all flying birds are carinates and the term is imprecise).
Antonyms
- Adjective:
- Non-carinate: Lacking a ridge or keel.
- Flat: Smooth and level; without ridges.
- Noun:
- Ratite: A bird with a flat, raft-like breastbone lacking a keel, such as an ostrich or emu.
Adjective
-
having a ridge or shaped like a ridge or suggesting the keel of a ship
-
a carinate sepal
-
Noun
-
birds having keeled breastbones for attachment of flight muscles
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