Ād (Arabic: عَادٌ‎) was an ancient tribe mentioned frequently in the Qurʾan, ancient Semitic race, allusion-name of an ancient Arabian tribe

anything natural or man-made behind which one can hide, cover, covert, hide, screen, fence, wall

a drain for taking water out of a well

the first and the last, the beginning and the end, adv. from first to last, from beginning to end, from head to foot, throughout, without cessation or intermission, incessantly, always

uncover, remove purdah

set up or erect a cover

behind, under cover, in ambush, under the pretence of

seek cover

at the pretext of time

observe purdah to hide oneself

look for a pretext

(of children) have bellyache due to constipation

scrap, waste, junk

adopt underhand means, do something covertly

to obstruct, come in one's way

castor tree

darkness, especially the dimness of the eyes owing to weakness or weariness