內耳 (Lāi-hīⁿ) (Latin語 (gí): auris interna) 是 (sī)耳 (hīⁿ)的 (ê)內部 (loē-pō͘),和 (hâm)次女 (chhù-lí)平衡感 (pêng-hêng-kám)的前庭氣 (chêng-tiâⁿ-khì)佮 (kap)收 (siu)聲音 (siaⁿ-im)的庭蝸牛 (thèng-o-giû) (cochlea)。