expectorate

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1. To eject from the mouth; spit.
2. To cough up and eject by spitting.

1. To spit.
2. To clear out the chest and lungs by coughing up and spitting out matter.

[Latin expectorāre, expectorāt-, to drive from the chest : ex-, ex- + pectus, pector-, chest.]

1. To eject saliva, mucus, or other body fluid from the mouth; spit.
2. To clear out the chest and lungs by coughing up and spitting out matter.

1. the coughing up and swallowing of material from the lungs, bronchi and trachea. In humans the coughed up material is discarded by spitting.
2. sputum.

The verb has 2 meanings:

Meaning #1: clear out the chest and lungs
  Synonyms: clear out, drive out

Meaning #2: discharge (phlegm or sputum) from the lungs and out of the mouth
  Synonyms: cough up, cough out, spit up, spit out