Primary conveyances
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Those by means whereof the benefit or estate is created or first arises ; as distinguished from those whereby it may be enlarged, restrained, transferred, or extinguished. The term includes feoffment, gift, grant, lease, exchange, and partition, and is opposed to derivative conveyances, such as release, surrender, confirmation, etc.
2 Bl. Corhm. 309.