What does tira mean in English?

The verb 'tirar' means 'to throw' in Spanish.

Conjugation (present tense):

yo tiro....................... ..I throw

tu tiras........................You throw

el/ella tira....................He/She throws

nosotros tiramos...........We throw

vosotros tirais...............You all throw

ellos/ellas tiran.............They throw

So, 'tira' would mean he or she throws in English.