Meaning

noun any monetary aid

noun the act of providing a subsidy

noun (law) a transfer of property by deed of conveyance

originFrom Grant + -s. The city was named after three brothers, Angus A., John R. and Lewis A. Grant, who were awarded a contract to build a section of the Atlantic and Pacific Railroad through the region. Their camp was first called Grants Camp, then Grants Station, and finally Grants.

Etymology from Wiktionary, CC BY-SA 3.0