breakthrough the act of making an important discovery
progenitor an ancestor in the direct line
break through pass through (a barrier)
bring through bring into safety
prognathous having a projecting lower jaw
broken-down not in working order
broken heart devastating sorrow and despair
breeze through succeed at easily
work through apply thoroughly; think through
run through use up (resources or materials)
Bruckenthalia a genus containing only one species: spike heath
run-through an uninterrupted rehearsal
brown thrush common large songbird of eastern United States having reddish-brown plumage
raconteur a person skilled in telling anecdotes
brokenhearted full of sorrow
prognathic having a projecting lower jaw
Perognathus pocket mice
broken arch an arch with a gap at the apex
broken home a family in which the parents have separated or divorced
through having finished or arrived at completion