Gall - Vine's Expository Dictionary of New Testament Words
Gall[ 1,,G5521, chole ]
a word probably connected with chloe, yellow," denotes "gall,"
(a) literal, Matthew 27:34 (cp. Psalms 69:21); some regard the word here as referring to myrrh, on account of Mark 15:23;
(b) metaphorical, Acts 8:23, where "gall of bitterness" stands for extreme wickedness, productive of evil fruit. In the OT it is used
(a) of a plant characterized by bitterness (probably wormwood), Deuteronomy 29:18; Hosea 10:4; Amos 6:12;
(b) as the translation of the word mererah, "bitterness," Job 13:26, e.g.;
(c) as the translation of rosh, "venom;" in Deuteronomy 32:32 "(grapes) of gall." In Job 20:25, the gall bladder is referred to (the receptacle of bile). The ancients supposed that the poison of serpents lay in the gall (See Job 20:14).