Main Entry: ¹con·jec·ture

Pronunciation: \kən-ˈjek-chər\

Function: noun

Etymology: Middle English, from Middle French or Latin; Middle French, from Latin conjectura, from conjectus, past participle of conicere, literally, to throw together, from com- + jacere to throw — more at jet

Date: 14th century

1 obsolete a : interpretation of omens b : supposition
2 a : inference from defective or presumptive evidence b : a conclusion deduced by surmise or guesswork c : a proposition (as in mathematics) before it has been proved or disproved