The word(s) "bar" appears 47 time(s) in 43 verse(s) in Quran in Abdullah Yusuf Ali translation.

(21) So We listened to him: and We granted him Yahya: We cured his wife's (barrenness) for him. These (three) were ever quick in emulation in good works; they used to call on Us with love and reverence, and humble themselves before Us.

(22) Until the Gog and Magog (people) are let through (their barrier), and they swiftly swarm from every hill.

(23) O mankind! if ye have a doubt about the Resurrection, (consider) that We created you out of dust, then out of sperm, then out of a leech-like clot, then out of a morsel of flesh, partly formed and partly unformed, in order that We may manifest (our power) to you; and We cause whom We will to rest in the wombs for an appointed term, then do We bring you out as babes, then (foster you) that ye may reach your age of full strength; and some of you are called to die, and some are sent back to the feeblest old age, so that they know nothing after having known (much), and (further), thou seest the earth barren and lifeless, but when We pour down rain on it, it is stirred (to life), it swells, and it puts forth every kind of beautiful growth (in pairs).

(24) And when thou hast embarked on the Ark - thou and those with thee,- say: "Praise be to Allah, Who has saved us from the people who do wrong."

(25) And say: "O my Lord! enable me to disembark with thy blessing: for Thou art the Best to enable (us) to disembark."

(26) The Day they see the angels,- no joy will there be to the sinners that Day: The (angels) will say: "There is a barrier forbidden (to you) altogether!"

(27) It is He Who has let free the two bodies of flowing water: One palatable and sweet, and the other salt and bitter; yet has He made a barrier between them, a partition that is forbidden to be passed.

(28) Or, Who has made the earth firm to live in; made rivers in its midst; set thereon mountains immovable; and made a separating bar between the two bodies of flowing water? (can there be another) god besides Allah? Nay, most of them know not.

(29) Now, if they embark on a boat, they call on Allah, making their devotion sincerely (and exclusively) to Him; but when He has delivered them safely to (dry) land, behold, they give a share (of their worship to others)!-

(30) And do they not see that We do drive rain to parched soil (bare of herbage), and produce therewith crops, providing food for their cattle and themselves? Have they not the vision?