1743 W. Ellis (Dublin ed.) May xi. 120 Another Farmer..kept his Chamberlie in a great Oil Jar.
1859 A. Trollope viii. 71 He had been useful as a great oil-jar, from whence oil for the quiescence of troubled waters might ever and anon be forthcoming.
1993 62 375 At present we have no good idea of the contents of the amphoras. Some are generally considered to be oil jars.