monolith Synonyms

large monument stanchion shrine shaft scree schist sarsen rubblestone remembrance pyramid prop post porphyry plaque statue stele stone columns saprolite standing stone sedimentary rock upright tuff trophy tower tombstone thill testimonial tablet support pillar pile gravestone gneiss footstone dolmen cylinder cromlech column cenotaph cairn buttress boulder block basalt headstone hoarstone magma pilaster pier