tentage

Behind them came a third, a big quartermaster's wagon, drawn by six mules and loaded with tentage and rations.
Warrior Gap|Charles King
There were no barracks in Port Tampa, and it was too late to go into camp even if we had our tentage with us, which we did not.
Springfield in the Spanish American War|Walter W. Ward
Tentage was required, pup tents for the front and large tents and flies at the camps.
America's Munitions 1917-1918|Benedict Crowell
They toiled constantly until they had every wounded officer and man supplied with tentage, cots, blankets, and clean clothes.
The Battle of Bayan and Other Battles|James Edgar Allen

We travelled light, with no tentage, and when it rained at night we curled up in our bedding under our slickers.
A Book-Lover's Holidays in the Open|Theodore Roosevelt

British Dictionary definitions for tentage

tentage

/ (ˈtɛntɪdʒ) /

noun

tents collectively

a supply of tents or tenting equipment

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012