Definition of "intubation"

Intubation, it is now claimed, offers these advantages. Since the revival of this procedure by Dr. O'Dwyer a little more than a year ago, it has been tested in many cases

1886 July 3, Dulaskie Miller, “On the Treatment of Diphtheria”, in Journal of the American Medical Association

Before proceeding to demonstrate the method of practising intubation of the larynx on this little cadaver, I will pass around for your inspection a few of the principal varieties of tubes devised to overcome obstruction in the larynx in croup and other forms of stenosis. They will serve to show the different stages of development through which this operation has passed from its inception in January 1880 to the present time.

1887, J. O'Dwyer, “Intubation Of The Larynx, With Demonstration On A Cadaver”, in Transactions of the Medical Society of the State of New York, page 323