A county-level city in Baoding Prefecture, Hebei, China. / (historical) Synonym of Ding Prefecture, a prefecture of imperial China with its seat at Dingzhou.

simple past tense and past participle of backstep

(computing) A small, lightweight laptop computer, smaller than a notebook computer.

(botany, zoology) Of a side that is facing away from the axis or central line, such as the underside of a leaf; or the back of an animal.