What does "orthostat" mean?

An upright stone or slab, especially one which is part of a larger structure.

What is a synonym for "orthostat"?

Common synonyms include: menhir, orthostates, standing stone.

Pronounced //ˈoɹ.θəˌstæt//.

//ˈoɹ.θəˌstæt// noun

noun ·Rare ·Advanced level

Noun

1
An upright stone or slab, especially one which is part of a larger structure.
"Near-synonyms: menhir, standing stone"

"Near-synonyms: menhir, standing stone"

Ancient Greek ὀρθοστάτης (orthostátēs, “upright shaft”); analysable as ortho- + -stat.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.