No, your heart does not stop when you sneeze. A sneeze begins with a tickling sensation in the nerve endings that sends a message to your brain that it needs to rid itself of something irritating the lining of your nose. You first take a deep breath and hold it, which tightens your chest muscles.
Definition of lump. 1  transitive verb. 2  1 : to group indiscriminately. 3  2 : to make into lumps; also : to make lumps on or in. 4  3 : to move noisily and clumsily. 5  intransitive verb. 6  1 : to become formed into lumps. 7  2 : to move oneself noisily and clumsily.
lumpâ¢y, adj., -iâ¢er, -iâ¢est. lump /lÊmp/USA pronunciation v. [~ + object][Informal.]. WordReference Random House Unabridged Dictionary of American English Â© 2015. 1  a piece or mass of solid matter without regular shape:a lump of coal.2  Pathologya swelling:A blow to his head raised a lump there. to deal with, handle, consider, etc., in the lump or mass:to lump unrelated matters indiscriminately. 2  to make into a lump or lumps:to lump dough before shaping it into loaves. 3  to raise into or cover with lumps:a plow lumping the moist earth. 4  to form or raise a lump or lumps:Stir the gravy so that it doesn't lump.