The same as Baka'; the weeping tree (some gum- distilling tree, perhaps the balsam) -- mulberry tree.
see HEBREW Baka'
H1057. baka
בָּכָא noun [masculine] balsam-tree (see Arabic DozyZMG 1869, 188 but LöwNo. 47; according to TA like , an eruca, compare Lane under the word; perhaps compare give little milk, of camel, i.e. drop, drip); plural בְּכָאִים 2 Samuel 5:23-24, = 1 Chronicles 14:14-15, singular in הַבָּכָא עֵמֶק Psalm 84:7 balsam-vale, compare De Che.