baetulus

‖n.; pl. Bætuli /plu>. [ L., fr. Gr. bai`tylos a sacred meteorite. ] (Antiq.) A meteorite, or similar rude stone artificially shaped, held sacred or worshiped as of divine origin. [ 1913 Webster ]

All the evidence goes to prove that these menhirs are bætuli, i. e., traditional and elementary images of the deity. I. Gonino (Perrot & Chipiez). [ Webster 1913 Suppl. ]