‖n. [ F., from mille, mil, thousand, L. mille. ] A thousand millions; -- usually called billion in the United States. See Billion. [ 1913 Webster ]

a. [ L. milliarius containing a thousand, fr. mille thousand: cf. F. milliaire milliary. See Mile. ] Of or pertaining to a mile, or to distance by miles; denoting a mile or miles. [ 1913 Webster ]

A milliary column, from which they used to compute the distance of all the cities and places of note. Evelyn. [ 1913 Webster ]

n.; pl. Milliaries [ L. milliarium. See Milliary, a. ] A milestone. [ 1913 Webster ]