Meaning
A small oven or furnace, used for the calcination of sand and potash, and converting them into frit.
Etymology
Origin: Italian
From the Italian calcara (“lime-kiln”).
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026.