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Webster 1913 Edition

Squealer

Squeal′er

(-ẽr)

,

Noun.

1.

One who, or that which, squeals.

2.

(Zool.)

(a)

The European swift.

(b)

The harlequin duck.

(c)

The American golden plover.

Definition 2025

squealer

squealer

English

Noun

squealer ‎(plural squealers)

An animal that, or a person who squeals; especially a pig
(slang) an informant
The European swift.
The harlequin duck.
The American golden plover.