Expanded; spread out.Separate; single: said especially of years in old planetary tables.n. Spatial or superficial extension; an uninterrupted stretch or area, especially one of considerable extent.n. Specifically In zoology, the extent or stretch of wing; the distance from tip to tip when the wings, as of an insect or a bird, are fully expanded. Also called alar expanse or extent.n. Enlargement; extension; expansion.n. Synonyms See extent.To expand; stretch out.