Meaning of IS in English

IS

I.

Etymology: Middle English (3d person singular present indicative and — northern dialect — 1st & 2d person singular present indicative and — northern dialect — 1st & 2d & 3d person plural present indicative of been — suppletive infinitive — to be), from Old English (3d person singular present indicative of bēon — suppletive infinitive — to be); akin to Old High German ist (3d person singular present indicative of sīn to be), Old Norse es, er (3d person singular present indicative of vesa, vera — suppletive infinitive — to be), Gothic ist (3d person singular present indicative of wisan — suppletive infinitive — to be), Latin est (3d person singular present indicative of esse to be), Greek esti (3d person singular present indicative of einai to be), Sanskrit asti is, he is, Hittite eszi

present third singular of be

dialect present first & second singular of be

nonstandard present plural of be

II. ˈiz noun

( -es )

: that which is ; specifically : that which is factual, empirical, actually the case, or spatiotemporal — contrasted with ought

III. abbreviation

island; isle

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.