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.
Related species. â¢ The wood pigeon is one of 51 species in the jf genus Columba. It is a member of the family Columbidae, which includes the rock dove, Columbia livia (below). The feral pigeon, which inhabits many cities, is descended from this bird.