A share is said to be trading cum-dividend when the payment of a dividend is due in the near future and investors who buy the share now will receive the dividend....more on Cum-dividend
With dividend. 
Referring to a share which is trading such that buyers rather than sellers qualify to receive the next dividend payment. This is usually reflected in the price of the security in question.
Means with dividend
or cum div means 'with dividend'. If you buy a share that is cum dividend, it means you have entitlement to the next dividend payment. The dividend will already have been declared (but not paid) and so its value will be reflected in the share price.
A particularly profitable or otherwise particularly valuable corporate unit or asset of a firm. Ofte
The purchaser of a stock which is cum dividend is entitled to receive the declared dividend. 
When a share is said to be 'cum dividend', it means that it is offered for sale with an... <a target=_blank href='http://www.finance-glossary.com/terms/cum-dividend.htm?id=337&ginPtrCode=00000&PopupMode=false' title='Read full definition of cum dividend'>more</a>
If you sell a share just before the date you become entitled to a dividend, the share is sold cum-dividend. The purchaser of the share(s) then receives the dividend.
Buyer entitled to pending dividend payment.
With dividend. The owner of shares purchased cum dividend is entitled to an upcoming already-declared dividend. The opposite of this is ex dividend. 
with a previously declared dividend included in the price of a stock (distinguished from ex dividend). Abbr.: cum d, cum div