# calcar

> English word · Noun

## Definitions
1. A small oven or furnace, used for the calcination of sand and potash, and converting them into frit.

## Etymology
From the Italian calcara (“lime-kiln”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/calcar