yawn

1. (intransitive) To open the mouth widely and take a long, rather deep breath, often because one is tired or bored, and sometimes accompanied by pandiculation.Examples: "I could see my students yawning, so I knew the lesson was boring them."; "[…] I found my self towards Evening, first empty and sickish at my Stomach, and nearer Night mightily enclin’d to yawning and sleepy […]"; "c. 1773, John Trumbull, The Progress of Dulness, Exeter, New Hampshire: Henry Ranlet, 1794, Part 1, p. 19, And while above he spends his breath, The yawning audience nod beneath."intransitive

2. (obsolete) To open the mouth, or to gape, through surprise or bewilderment.Examples: "[…] O heavy hour! Methinks it should be now a huge eclipse Of sun and moon, and that the affrighted globe Should yawn at alteration."; "[…] Hell being vnder euerie one of their Stages, the Players (if they had owed him a spight) might with a false Trappe doore haue slipt him downe, and there kept him, as a laughing stocke to al their yawning Spectators."obsolete

3. (obsolete) To be eager; to desire to swallow anything; to express desire by yawning.Examples: "to yawn for fat livings"; "Fly not, as thou wert wont, to his embrace, Lest, after one long yawning gaze, he swear Thou art the best good fellow in the world, But he had quite forgotten thee, by Jove!"obsolete