Definitions of tear:

• noun:   the act of tearing

  Example: "He took the manuscript in both hands and gave it a mighty tear"

• noun:   a drop of the clear salty saline solution secreted by the lacrimal glands

  Example: "His story brought tears to her eyes"

• noun:   an occasion for excessive eating or drinking
• noun:   an opening made forcibly as by pulling apart
• verb:   move quickly and violently
• verb:   fill with tears or shed tears

  Example: "Her eyes were tearing"

• verb:   to separate or be separated by force
• verb:   separate or cause to separate abruptly

  Example: "Tear the paper"

• verb:   strip of feathers
• name:  A surname (very rare: popularity rank in the U.S.: #49083)