corbel

nouns

(architecture) a triangular bracket of brick or stone (usually of slight extent)
corbel, truss

verbs

furnish with a corbel
corbel
domain category
the discipline dealing with the principles of design and construction and ornamentation of fine buildings
"architecture and eloquence are mixed arts whose end is sometimes beauty and sometimes use"
architecture
is a type of (narrower)
give something useful or necessary to
"We provided the room with an electrical heater"
furnish, provide, render, supply