Spacious \Spa"cious\, a. [L. spatiousus: cf. F. spacieux. See {Space}, n.] 1. Extending far and wide; vast in extent. "A spacious plain outstretched in circuit wide." --Milton. [1913 Webster] 2. Inclosing an extended space; having large or ample room; not contracted or narrow; capacious; roomy; as, spacious bounds; a spacious church; a spacious hall. -- {Spa"cious*ly}, adv. -- {Spa"cious*ness}, n. [1913 Webster]