Real Dictionary

shingle
uncountable noun: Shingle is a mass of small rough pieces of stone on the shore of a sea or a river.

shingle in American English 1
large, coarse, waterworn gravel, as found on a beach
noun: a thin piece of wood, slate, metal, asbestos, or the like, usually oblong, laid in overlapping rows to cover the roofs and walls of buildings

shingle in American English 2
a thin, wedge-shaped piece of wood, slate, etc. laid with others in a series of overlapping rows as a covering for roofs and the sides of houses
to cover (a roof, etc.) with shingles
noun: small, waterworn stones or pebbles such as lie in loose sheets or beds on a beach

shingle in American English 3
to work on (puddled iron) by hammering and squeezing it to remove impurities
transitive verb: to hammer or squeeze (puddled iron) into a bloom or billet, eliminating as much slag as possible; knobble

shingle in British English 1
noun: a thin rectangular tile, esp one made of wood, that is laid with others in overlapping rows to cover a roof or a wall

shingle in British English 2
noun: coarse gravel, esp the pebbles found on beaches

shingle in British English 3
verb: to hammer or squeeze the slag out of (iron) after puddling in the production of wrought iron