figure eight is a noun meaning "a two-dimensionsal figure having the shape of the number eight". It carries 3 recorded senses.
a two-dimensionsal figure having the shape of the number eight
United Kingdom
a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose
a skating figure that carves an 8 in the ice
Definitions, synonyms and semantic relations for figure eight come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.