| • | To open the mouth involuntarily through drowsiness, dullness, or fatigue; to gape; to oscitate. |
| • | To open wide; to gape, as if to allow the entrance or exit of anything. |
| • | To open the mouth, or to gape, through surprise or bewilderment. |
| • | To be eager; to desire to swallow anything; to express desire by yawning; as, to yawn for fat livings. |
| • | An involuntary act, excited by drowsiness, etc., consisting of a deep and long inspiration following several successive attempts at inspiration, the mouth, fauces, etc., being wide open. |
| • | The act of opening wide, or of gaping. |
| • | A chasm, mouth, or passageway. |
