Is v. i. The third person singular of the substantive verb be, in the indicative mood, present tense; as, he is; he is a man. See Be.
Note: ☞ In some varieties of the Northern dialect of Old English, is was used for all persons of the singular.
For thy is I come, and eke Alain. --Chaucer.
Aye is thou merry. --Chaucer.
Note: ☞ The idiom of using the present for future events sure to happen is a relic of Old English in which the present and future had the same form; as, this year Christmas is on Friday.
To-morrow is the new moon. --1 Sam. xx. 5.