Crossword puzzle clue "botanical exterior"

an additional envelope, often fleshy, developed around the seed in certain plants (e.g. yew), also ARILLUS

(Spanish) an unburned, sun-dried brick made of clay and straw, also DOBE, DOBIE, DOBY

(US) to dress with defensive covering, also ARMOUR

to make a sound like a dog

to spring a leak

to give form to

to cover with breadcrumbs