preposition, adverb Dialect.
Examples from the Web for atween
An' then they'll get to fightin' atween theirselves, and split here an' there.A Little Girl in Old Pittsburg|Amanda M. Douglas
He threatens to knock pew-Bibles and hymn-books oot o' me, if I again daur to 'rap' him atween this and Martinmas.Scotch Wit and Humor|W. H. (Walter Henry) Howe
My kind's all right in summer; but 'twouldn't do in winter—wind'd get in atween the stitches.The Cinder Pond|Carroll Watson Rankin
I'm glad, right heartily glad that 'tis all off atween Gilbert an' Dolly.The World Before Them|Susanna Moodie
"A noice bizness yoi've made of it atween ee," the woman said, but in a not unkind voice.Through the Fray|G. A. Henty