Sea

(n) /siː/

Meaning

The expanse of salt water that covers most of the earth's surface and surrounds its land masses.

UK siː

US siː

In 2006 a type of sea urchin was listed after being found in the Pacific Ocean.
At the time, [Coppard] was working with The Natural History Museum in London and was able to confirm from the photo uploaded that the species was unidentified, making it a new discovery of sea urchin that he named [Coelopleurus] [exquisitus].
While river otters mostly live off fish, crayfish and crabs, sea otters have a more interesting method of sustaining themselves.
Sea otters are known for their remarkable ability to use rocks to smash open shellfish to fill their stomachs.
Sea otters though, are the complete opposite.
Sea otters hold hands when they sleep.
Sea otters also hold onto kelp that grows from the floor of the sea for the same purpose.
Sea otters can hold their breather underwater for more than 5 minutes, and river otters can hold theirs for more than 8!
[It's] key to their survival to eat such great quantities, especially for sea otters, as they use up so much energy keeping themselves warm.
The city became a major trading port pretty soon, with a successful trading route to the Baltic Sea.