Tropaeolum peregrinum, a climbing plant native to western South America.

(US) A public notice that a service provider has not received a secret government subpoena for their customers' data that they would be prohibited from saying they had received.

plural of canary grass

plural of canary fit

(idiomatic, dated) A highly emotional state of distress, anger, etc.

plural of canary creeper

(vulgar, slang) The penis. / (UK, slang) A temper tantrum.

Used other than figuratively or idiomatically: see canary, bird. / (slang) A jailbird. / (slang) A mistress.

plural of canary bird

The practice of giving slightly different versions of a document to each recipient, so that if the document is leaked then the person who leaked it can be identified.