bullate

adj

1. Resembling a bulla or blister; inflated; blistered; bulliform.
2. Of bacterial cultures, having a growth which is blistered; rising in convex prominences.
3. Having arched leaf tissue between each lateral vein, so that the veins appear depressed in the leaf surface.

noun

1. (obsolete, rare)A kind of metal, bullet-iron.

   “They [the Tartar] […] preferre brasse and steele before other mettals specially bullate, which they use for swords, knives, and other necessaries.”