English Words Starting With S

• sea slug

  nounLow
  /ˈsiː ˌslʌɡ/A marine mollusc without a shell, often brightly coloured.
• sea snail

  nounC1
  /ˈsiː ˌsneɪl/A small marine mollusc with a spiral shell, typically moving slowly along the seabed.
• sea snake

  nounB2
  /ˈsiː ˌsneɪk/A venomous marine reptile (family Elapidae) that lives primarily in the warm coastal waters of the Indian and Pacific Oceans.
• sea spider

  nounLow
  /ˈsiː ˌspaɪ.dər/A marine arthropod with a small body and long, thin legs, found in oceans worldwide.
• sea squab

  nounVery Low
  /ˈsiː ˌskwɒb/A slang term, primarily American, for the meat of a blowfish or pufferfish (fugu), known for its mild flavour and status as a delicacy.
• sea squill

  nounLow
  /ˈsiː ˌskwɪl/A coastal perennial plant (Drimia maritima) with a large bulb, broad leaves, and a tall spike of white flowers, also known as 'sea onion' or 'squill'.
• sea squirt

  nounC2
  /ˈsiː skwɜːt/A simple marine invertebrate animal (a tunicate) with a soft, tubular body that squirts water when touched.
• sea stack

  nounLow (Specialist/Geographical)
  /ˈsiː ˌstæk/A geological landform consisting of a steep, often vertical column of rock in the sea near a coastline, formed by wave erosion.
• sea star

  nounB2
  /ˈsiː ˌstɑː/A marine invertebrate animal (class Asteroidea) with a central disc and multiple radiating arms, typically found on the ocean floor.
• sea steps

  plural-noununcommon
  /ˈsiː stɛps/Steps that lead to or are situated by the sea, typically used for boarding boats or accessing the water in maritime settings.
• sea stores

  plural-nounLow/Technical
  /ˈsiː ˌstɔːz/Provisions, supplies, or equipment carried on a ship for a voyage, or items specifically intended for use at sea.
• sea swallow

  nounC1
  /ˈsiː ˌswɒləʊ/A common name for several species of seabirds, notably the tern (especially the common tern, Sterna hirundo) or the Arctic tern.
• sea tangle

  nounLow (C2/Technical)
  /ˈsiː ˌtæŋ.ɡl̩/A type of brown seaweed, specifically from the genus Laminaria, often forming dense underwater forests.
• sea trials

  nounC1
  /ˈsiː ˌtraɪəlz/A series of tests conducted on a newly built ship or submarine to evaluate its performance, systems, and seaworthiness before entering service.
• sea trout

  nounLow
  /ˈsiː traʊt/A silvery fish of the salmon family that migrates from salt water to fresh water to spawn; specifically, the anadromous form of the brown trout (Salmo trutta).
• sea turtle

  nounB1
  /ˈsiː ˌtɜː.tl̩/A large marine reptile with a bony or leathery shell and flippers, found in warm and temperate seas worldwide.
• sea urchin

  nounC1
  /ˈsiː ˌɜː.tʃɪn/A small, round marine animal with a hard, spiny shell.
• sea vegetable

  nounLow
  /ˈsiː ˌvɛdʒ.tə.bəl/An edible plant or algae that grows in the ocean, harvested for food.
• sea wall

  nounC1
  /ˈsiː wɔːl/A man-made structure, typically a wall or embankment, built along a coastline to prevent erosion, flooding, or encroachment by the sea.
• sea walnut

  nounVery Low
  /ˈsiː ˌwɔːlnʌt/A small, transparent, gelatinous marine animal (a type of comb jelly, Mnemiopsis leidyi) that is bioluminescent and resembles a floating walnut in shape.

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