(n.) A small column or pillar, used as a monument, milestone, etc.

arch barrow boundary stone brass bust cairn cenotaph column cromlech cross cup cyclolith dolmen footstone grave gravestone headstone hoarstone inscription marker mausoleum megalith memento memorial memorial arch memorial column memorial statue memorial stone menhir monolith monument mound necrology obelisk obituary pillar plaque prize pyramid reliquary remembrance ribbon rostral column shaft shrine stone stupa tablet testimonial tomb tombstone tope trophy