The phrase "uniform dough" refers to a smooth and consistent mixture of flour, water, and other ingredients when making bread or pastries. It means that the dough is well-mixed and has an even texture throughout. Full definition
At this point you should have a moist uniform dough. (101cookbooks.com)
Dough: in a mixer bowl with a kneading attachment, put flour, yeast, sugar, egg yolk, butter, milk and salt and knead for 10 minutes until uniform dough is obtained. (lilcookie.com)
Is your dough a small crumble that you need to actually press together with your hands to make it form a more uniform dough? (elanaspantry.com)