| Headstone 1. (n.) The principal stone in a foundation; the chief or corner stone. 2. (n.) The stone at the head of a grave. Thesaurus Entries arch, barrow, boundary stone, brass, bust, cairn, cenotaph, column, cornerstone, cromlech, cross, cup, cyclolith, dolmen, first stone, footstone, foundation stone, grave, gravestone, hoarstone, inscription, keystone, ledger, marker, mausoleum, megalith, memento, memorial, memorial arch, memorial column, memorial statue, memorial stone, menhir, monolith, monument, mound, necrology, obelisk, obituary, pillar, plaque, prize, pyramid, quoin, reliquary, remembrance, ribbon, rostral column, shaft, shrine, stela, stone, stupa, tablet, testimonial, tomb, tombstone, tope, trophy |