menhir

noun

1. A single tall standing stone as a monument, especially one dating to prehistoric times.

   “Near-synonym: orthostat”

   “[N]o time has passed since we lived in caves, grappled with fish at the reedy shore, buried our dead with a song, with red-ochre and pulled up our dolmens, temples and menhirs and standing stones to the glory of some indeterminate god or gods, […]”

   “On the coast tree ferns and pandanus palms. Inland termite menhirs seventeen feet high.”