Feminine of gbiyr; a mistress -- queen.
see HEBREW gbiyr
H1377. gebirah
גְּבִירָה noun feminine 1. lady, queen, 1 Kings 11:19;
2 queen-mother, 1 Kings 15:13 2 Chronicles 15:16; מִגּ ׳וַיְסִרֶהָ he removed her from (the position of) queen-mother; compare 2 Kings 10:13; Jeremiah 13:18; 29:2.