Answer: stelai

AnswerCrossword Clue
STELAIUpright slabs
stelaiupright, inscribed stone slab, surface, or pillar serving as a monument, marker, or the like
stelai(in ancient Rome) a burial stone
stelaia usually carved or inscribed stone slab or pillar used for commemorative purposes
stelaicentral cylinder or cylinders of vascular and related tissue in stems and other parts of higher plants
stelaiSTELA, an inscribed slab used as a monument