Meaning
A volcanic mudflow.
Etymology
Origin: Unknown
Borrowed from Javanese ꦭꦲꦂ (lahar). Introduced as geological term by Berend George Escher in 1922.
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, 2023, 2025.