脇腹わきばら Noun English jmdict 1 noun (common) (futsuumeishi) side (of the torso);flank See also: 横腹 (よこばら) 私は急にわきばらに痛みを感じた。 I felt a sudden pain in my side. 2 noun (common) (futsuumeishi) illegitimate child;child born by someone other than one's wife Other forms わき腹 【わきばら】