Yawn v. i. [imp. & p. p. Yawned p. pr. & vb. n. Yawning.]
  1. To open the mouth involuntarily through drowsiness, dullness, or fatigue; to gape; to oscitate.  “The lazy, yawning drone.”
  And while above he spends his breath,
  The yawning audience nod beneath.   --Trumbull.
  2. To open wide; to gape, as if to allow the entrance or exit of anything.
  't is now the very witching time of night,
  When churchyards yawn.   --Shak.
  3. To open the mouth, or to gape, through surprise or bewilderment.
  4. To be eager; to desire to swallow anything; to express desire by yawning; as, to yawn for fat livings.  “One long, yawning gaze.”
  yawning
       adj 1: gaping open as if threatening to engulf someone or
              something; "the yawning mine shaft"; "a yawning abyss"
       2: with the mouth wide open indicating boredom or sleepiness;
          "a yawning congregation"
       3: showing lack of attention or boredom; "the yawning
          congregation" [syn: drowsy, oscitant, yawning(a)]
       n : an involuntary intake of breath through a wide open mouth;
           usually triggered by fatigue or boredom; "he could not
           suppress a yawn"; "the yawning in the audience told him
           it was time to stop"; "he apologized for his ostinancy"
           [syn: yawn, oscitance, oscitancy]