A landmass, especially one smaller than a continent, entirely surrounded by water, Something resembling an island, especially in being isolated or surrounded, as, A tract of land surrounded by water, whether of the sea, a river, or a lake_ in contradistinction to mainland or continent
A complete entity; a whole number, in contradistinction to a fraction or a mixed number, any of the natural numbers (positive or negative) or zero, An entire entity; particularly, in arithmetic, a whole number, in contradistinction to a fraction Thus, in the number 547, 54 is an integer, and 7 a fraction (seven tenths of a unit)