A former Hebrew unit of dry volume, about 7.7 L or 7 quarts.
Abraham feeds the Lord cakes from 3 seahs of fine flour
As the Lord appears to Abraham at the oaks of Mamre, Abraham insists that if he has found favor in His sight that the three men rest and allow a little water be brought and their feet be washed as they rest under the tree. He brings them curds, milk, a prepared calf, and cakes from 3 seahs of fine flour. The Lord prophesies Isaac's birth there before continuing on His way to investigate Sodom and Gomorrah's grave sin. (Genesis 18)
Abigail gifts David 5 seahs of parched grain to subdue his anger against Nabal
Abigail took 200 loaves, 2 skins of wine, 5 sheep already prepared, 5 seahs of parched grain, 100 clusters of raisins, and 200 cakes of figs on donkeys to David to convince him to turn from bloodshed against Nabal. (1 Samuel 25)