n. The act of covering with shingles, or a covering of shingles.n. In metallurgy, the act or process of squeezing iron in the course of puddling. See shingle, verb, 3. Also called blooming.n. In geology, the arrangement of flat pebbles or boulders in such a manner that they overlap like shingles. It is especially marked in the coarse gravel of a beach (shingle) or on the bottom of a swift river, and may be detected in conglomerates.