To support in some manner, for example, to support a political candidate by donating efforts to promote, to pay money in order to make an effort possible.
Law Dictionary – Alternative Legal Definition
v. To indorse; to sign on the back; to sign generally by way of acceptance or approval. Where a warrant issued in one county is presented to a magistrate of another county and he signs it for the purpose of making it executory in his county, he is said to “back” it. 4 Bl. Comm. 291. So an indorser of a note or bill is colloquially said to “back” it. Seabury v. Hungerford, 2 Hill (N. Y.) 80. adv. To the rear; backward; in a reverse direction. Also, in arrear. Back lands. A term of no very definite import, but generally signifying lands lying back from (not contiguous to) a highway or a watercourse. See Ryerss v. Wheeler, 22 Wend. (N. Y.) 150. Back taxes. Those assessed for a previous year or years and remaining due and unpaid from the original tax debtor. M. E. Church v. New Orleans, 107 La. 611. 32 South. 101; Gaines v. Galbraeth, 14 Lea (Tenn.) 363. Backwater. Water in a stream which, in consequence of some, dam or obstruction below, is detained or checked in its course, or flows back. Hodges v. Raymond, 9 Mass. 316; Chambers v. Kyle, 87 Ind. 85. Water caused to flow backward from a steam-vessel by reason of the action of its wheels or screw.