Either Ei"ther, conj. Either precedes two, or more, co["o]rdinate words or phrases, and is introductory to an alternative. It is correlative to or. [1913 Webster]

Either he is talking, or he is pursuing, or he is in a journey, or peradventure he sleepeth. --1 Kings xviii. 27. [1913 Webster]

Few writers hesitate to use either in what is called a triple alternative; such as, We must either stay where we are, proceed, or recede. --Latham. [1913 Webster]

Note: Either was formerly sometimes used without any correlation, and where we should now use or. [1913 Webster]

Can the fig tree, my brethren, bear olive berries? either a vine, figs? --James iii. 12. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

(of two) / (of several) / (of two), ,