ppl. a. [UNDER-1 4 a, 10 a.]
1. Supplied with fuel from below.
1890. D. K. Clark, Steam Engine, I. 74. The furnace of an egg-end stationary boiler, under-fired, burning coal.
2. Insufficiently fired or baked.
1891. Cent. Dict.
ppl. a. [UNDER-1 4 a, 10 a.]
1. Supplied with fuel from below.
1890. D. K. Clark, Steam Engine, I. 74. The furnace of an egg-end stationary boiler, under-fired, burning coal.
2. Insufficiently fired or baked.
1891. Cent. Dict.