sea snake

noun

1

: sea serpent

2

: any of numerous venomous aquatic chiefly viviparous elapid snakes of warm seas

Examples of sea snake in a Sentence

Recent Examples on the Web

The sea snake’s possible sighting is likely connected to this summer’s warm ocean water, said Hayley Crowell, a snake expert at San Diego State University. — Fedor Zarkhin, Los Angeles Times, 17 Sep. 2026

Robotic sea snake Maintaining underwater infrastructure such as oil platforms and subsea pipelines is both costly and risky. — Atharva Gosavi, Interesting Engineering, 1 June 2026

Oil that is on the surface is harmful to animals that come up to the surface to breathe, such as dolphins, sea turtles and sea snakes. — Asuka Koda, CNN Money, 17 Apr. 2026

An El Niño creates a much narrower band of warm water, Leising explained, bringing species such as tropical sea snakes or red crabs up the coast. — Laylan Connelly, Oc Register, 27 Mar. 2026

Word History

First Known Use

1755, in the meaning defined at sense 1

Rhymes for sea snake

• awake
• backache
• beefsteak
• betake
• cheesecake
• cupcake
• daybreak
• earthquake
• forsake
• gouache
• handshake
• headache

Medical Definition

sea snake

noun

: any of numerous venomous snakes (subfamilies Hydrophiinae and Laticaudinae) inhabiting the tropical parts of the Pacific and Indian oceans