Meaning
A form of shotcrete in which a dry cementitious mixture is blown through a hose to the nozzle, with water injected only at the point of application.
Etymology
Origin: Unknown
From gun + -ite, originally a trademark from 1909.
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 2022, 2023, 2025.