2 adjectives to describe tambours

Thus the enemy in passing through from the one to the other were exposed as long as possible to the shots and projectiles of the defenders, who were stationed all round the walls and towers flanking the advanced tambour.

Then sounds the trumpet clearly, then clangs the loud tambour, Make room, make room for Gazulthrow wide, throw wide the door; Blow, blow the trumpet clearer still, more loudly strike the drum, The Alcaydé of Algava to fight the bull doth come.

2 adjectives to describe  tambours