[L. sūmen:*sūgmen, f. sūgĕre to suck.] A sows udder, the dugs of a sow; formerly Anat., the hypogastrium. † Also transf., the fat or rich portion of a thing; also attrib. in sumen-soil.
1662. J. Chandler, Van Helmonts Oriat., 239. The undunged fields of Bohemia do yield lesse tartarous fruits than those which were fattened with the dung of living Creatures, wherein this earthy Sumen or fattening juyce doth voluntarily melt: Because this Sumen-soil should produce a Tartar in Herbs.
a. 1716. South, Serm., Prov. i. 32 (1727), IV. 79. They could not have had Leisure to think upon their Sumens, their Mullets, and the like had the Gauls been beseiging their Capitol.
1753. Chambers Cycl., Suppl., Sumen, a word used by some anatomical writers to express the hypogastrium.
1788. Wolcot (P. Pindar), Peters Proph., Wks. 1816, I. 453. Who sent you once the sumen of a sow.