Feminine of raq; properly, thinness, i.e. The side of the head -- temple.
see HEBREW raq
H7541. raqqah
רַקָּה noun feminine the temple (of the head): Judges 4:21 בְּרַקָּתוֺ הַיָּתֵד וַתִּתְקַע, 4:22; 5:26 רִקָּתוֺ וְחָֽלְפָה וּמָֽחְצָה, Song of Solomon 4:3 = 6:7 רִקָּתֵךְ הָרִמּוֺן כְּפֶלַח.