backsight
N การ มอง หลัง kan-mong-lang
BACKSIGHT
Back "sight `, n. Etym: [Back, adv. + sight. ] (Surv.)
back |sight |ˈbaksʌɪt | ▶noun 1 the sight of a rifle or other weapon that is nearer the eye of the person aiming. 2 Surveying a sight or reading taken backwards or towards the point of starting.