Definition of "uncemented"

The floor was uncemented, and heaps of dust rose in the air anytime a customer walked in.

2006, Mohammed Naseehu Ali, “Mallam Sile”, in The Prophet of Zongo Street, Harper Collins, pages 149–50

Before the present era she was a mere chaos of uncemented colonies, individually exposed to the ravages of the Indians and the invasion of any power that Britain should be at war with.

1777, Thomas Paine, "V. To Gen. Sir William Howe" in The American Crisis, The Writings of Thomas Paine, edited by Moncure D. Conway, New York: G.P. Putnam's Sons, 1906