聲響器
Squealer \Squeal"er\, n.
1. One who, or that which, squeals.
2. (Zo["o]l.)
(a) The European swift.
(b) The harlequin duck.
(c) The American golden plover.
squealer
n 1: one who reveals confidential information in return for money
[syn: {informer}, {betrayer}, {rat}, {blabber}]
2: domestic swine [syn: {hog}, {pig}, {grunter}, {Sus scrofa}]