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Definitions from WordNet

Definitions from the Web

External Gill

Definition: An external gill refers to a respiratory organ found in certain aquatic animals, situated on the exterior of their bodies, that enables them to extract oxygen from water.

Senses:

1. Noun (Biology): The respiratory organ seen in some aquatic animals, such as amphibians and certain larvae, which allows them to breathe underwater.
2. Noun (Zoology): The external structure resembling a gill, found in some fish species and used for respiration.

Sample Sentences:

1. The tadpole had external gills, which it used to extract oxygen from the water.
2. The axolotl's external gills made it well-suited for its aquatic habitat.
3. As a defense mechanism, some fish can extend their external gills to appear larger and intimidate predators.

Possible Related Products on Amazon:

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