definition of
break through

[1] #1 break through v. pass through (a barrier); "Registrations cracked through the 30,000 mark in the county". wn

[2] #2 break through v. penetrate; "The sun broke through the clouds"; "The rescue team broke through the wall in the mine shaft". wn

[3] #3 break through v. break out; "The tooth erupted and had to be extracted". wn