ENGLISH
REFERENCE

seals

n.
US //ˈsiɫz// UK //sˈiːlz// seals
  1. 1 sea animals (n.)
    A2 Elementary

    large sea animals with fur and flippers that live in cold regions.

    plural of the marine mammal of the infraorder Pinnipedia, typically referring to those without external ears.

    Example

    We saw several seals resting on the rocks during our boat trip.

    Example

    The colony of seals gathered on the ice floes to protect their young from predators during the harsh winter months.
    • pinnipeds
  2. 2 closers or stamps (n.)
    B1 Intermediate

    things used to close something tightly, like a wax stamp on a letter or a rubber ring on a jar.

    plural of the device or substance used to join two things together or to prevent leakage and unauthorized opening.

    Example

    Check the seals on the food containers to make sure they are airtight.

    Example

    The ancient documents were still protected by their original wax seals, which remained unbroken after three centuries in the vault.

Last updated June 20, 2026