Seeing “hajar”
in your dream

Seeing one’s image reflected in the Stone of Ismail means: 
(1) The dreamer will be blessed with a son who will support him one day. 
(2) The dreamer will be banned by a tribunal from disposing freely of one’s wealth as, in Arabic, the words hajar 
(stone) and hajr  (legal interdiction) resemble each other.

Abu Musa reported Allah's Messenger (Sallallaahu-Alayhi-wasallam) as saying:
I dreamt (while asleep) that I was about to migrate from Mecca to a land abounding in palmtrees and I guessed that it would be Yamama or Hajar, but it was the city of Yathrib (the old name of Medina), and I saw in this dream of mine that I was brandishing a sword and its upper end was broken and this is what fell (in the form of misfortune to the believers on the Day of Uhud). I brandished (the sword) for the second time and it became all right and this is what came to be true when Allah granted us victory and solidarity of the believers. And I saw therein cows also and Allah is the Doer of good. These meant the group from amongst the believers on the Day of Uhud and the goodness which Allah brought after that and the reward of attestation of his Truth which Allah brought to us after the Day of Badr. (Muslim)

Narrated Abu Musa: The Prophet (Sallallaahu-Alayhi-wasallam) said, "I saw in a dream that I was migrating from Mecca to a land where there were date palm trees. I thought that it might be the land of Al-Yamama or Hajar, but behold, it turned out to be Yathrib (i.e. Medina). And I saw cows (being slaughtered) there, but the reward given by Allah is better (than worldly benefits). Behold, those cows proved to symbolize the believers (who were killed) on the Day (of the battle) of Uhud, and the good (which I saw in the dream) was the good and the reward and the truth which Allah bestowed upon us after the Badr battle. (or the Battle of Uhud) and that was the victory bestowed by Allah in the Battle of Khaibar and the conquest of Mecca) . (Bukhari)