A many-pronged fork used in the sacrificial services (1 Samuel 2:13,14; Exodus 27:3; 38:3) by the priest in drawing away the flesh. The fat of the sacrifice, together with the breast and shoulder (Leviticus 7:29-34), were presented by the worshipper to the priest. The fat was burned on the alter (3:3-5), and the breast and shoulder became the portion of the priests. But Hophni and Phinehas, not content with this, sent a servant to seize with a flesh-hook a further portion.
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.
Easton, Matthew George. "Entry for 'Flesh-hook'". "Easton's Bible Dictionary".