made by art; not natural or pathologic. 1  artificial respiration any method of forcing air into the lungs in a person who still has a pulse but whose breathing has stopped. Artificial respiration can be given with no equipment, so that it is an ideal emergency first aid procedure. 2  Indications.
stool pigeon - someone acting as an informer or decoy for the police. canary, fink, snitch, stoolie, stoolpigeon, sneaker, snitcher, sneak. betrayer, blabber, informer, squealer, rat - one who reveals confidential information in return for money.
The three Western European Columba pigeons, common wood pigeon, stock dove, and rock pigeon, though superficially alike, have very distinctive characteristics; the common wood pigeon may be identified at once by its larger size at 38â44.5 cm (15.0â17.5 in) and 300â615 g (10.6â21.7 oz), and the white on its neck and wing.