harping noun. 
['hɑ:pɪŋ] Also (earlier) 
harpon. 
LME.[Old French harpon clamp: see HARPOON.]Nautical.
1.  Any of various pieces of timber for supporting and strengthening, esp. as used to hold the frames of a wooden vessel in place until the outside planking is done. Also, the forward part of the wales which encompass the bow of a ship and are fastened to the stem. Freq. in 
pl. LME.2.  In 
pl. In full 
cat-harpings. Ropes or cramps used to brace in the shrouds of lower masts behind their yards. 
E17.  [TahlilGaran] English Dictionary ▲