#1 piping n. a thin strip of covered cord used to edge hems. wn
#2 piping r. [steaming] (used of heat) extremely; "the casserole was piping hot". wn
#3 piping n. [pipe, pipage] a long tube made of metal or plastic that is used to carry water or oil or gas etc.. wn
#4 piping n. playing a pipe or the bagpipes. wn
vizzz