tercio

Etymology
Borrowed from.

Noun

 * 1)  Any of the three stages of a bullfight: the vara, the banderilla and finally the death.
 * 2)  A mutually supportive infantry formation made up of pikemen, swordsmen and arquebusiers or musketeers.

Etymology 1
..

Adjective

 * 1)  third, one of three equal parts

Noun

 * 1)  third, one of three equal parts
 * 2) 0.33 liter bottle of beer
 * 1) 0.33 liter bottle of beer

Usage notes

 * This word is used to express the denominator of a fraction:
 * The adjective can also be used in this sense, but it should be accompanied by an auxiliary noun such as :
 * The adjective can also be used in this sense, but it should be accompanied by an auxiliary noun such as :