semidome

Etymology

From semi- + dome.

semidome means half of a dome ("cut" vertically), used to cover a semicircular area. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

Half of a dome ("cut" vertically), used to cover a semicircular area.“At Holy Cross Catholic Church on West 42nd Street, opposite the Port Authority Bus Terminal, the uninviting Romanesque exterior is in stark contrast to the airy sanctuary, with its great open space and a main altar set in a lovely semidome and illuminated by nine stained-glass panels.”