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noun · A1

Seahorse

SEEH-ors/ˈsiːhɔːs/

A seahorse is a small sea animal with a head like a horse that swims upright and holds on with its tail. Countable: a seahorse, seahorses. Write one word: seahorse. A horse lives on land and is huge; a fish usually swims with a side-to-side tail, not upright. Mix-up: sea + horse as a real farm horse in the water.

Meaning

A small sea animal with a head like a horse, that swims upright.

Examples

  • “The seahorse hid in the seaweed.”
  • “The seahorse curled its tail around the plant.”
  • “You cannot ride a seahorse — it is tiny.”

Good to know

a seahorse (one word, upright). Contrast: horse (land, large), fish (sideways swim).

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