Otter
/ˈɑtər/
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Definition
(noun) An aquatic or marine carnivorous mammal in the subfamily Lutrinae.
Sentence Examples
The otter was playing in the river.
The air trapped in the fur of a sea otter helps it to float.
CEFR Practice Quiz
The playful ____ floated on its back in the river, cracking open a shellfish on its chest.