archipendulum

Etymology

From archi- + pendulum.

archipendulum means an ancient device used to measure angles, consisting of an A-shaped device with a plumbline attached to the top vertex and a mark on the midpoint of the crossbar. Lexicurio rates it Sui generis — a strength score of 95 out of 100.

noun

An ancient device used to measure angles, consisting of an A-shaped device with a plumbline attached to the top vertex and a mark on the midpoint of the crossbar.“ETHICKS is represented in painting by a lady of a sober, grave aspect, holding the instrument archipendulum in one hand, with the other a lion bridled.”