root for

: the usually underground part of a seed plant body that originates usually from the hypocotyl, functions as an organ of absorption, aeration, and food storage or as a means of anchorage and support, and differs from a stem especially in lacking nodes, buds, and leaves

: any subterranean plant part (such as a true root or a bulb, tuber, rootstock, or other modified stem) especially when fleshy and edible

: the part of a tooth within the socket

: to furnish with or enable to develop roots

: to fix or implant by or as if by roots

: to remove altogether by or as if by pulling out by the roots

: to turn up or dig in the earth with the snout : grub

: to poke or dig about

: to turn over, dig up, or discover and bring to light

: to noisily applaud or encourage a contestant or team : cheer

: to wish the success of or lend support to someone or something