1) Surgical knife 
• (n.) A double-edged, sharp-pointed dismembering knife. • (n.) Catgut; a catgut string. • (n.) A little cat; a kitten.
A long, sharp-pointed, double-edged knife used in amputations. ... (05 Mar 2000) ... 
Cat'ling noun [ Cat + - ing .] 1. A little cat; a kitten. 'Cat nor catling .' Drummond. 2. Catgut; a catgut string. [ R.] Shak. 3. (Surg.) A double-edged, sharp- pointed dismembering knife. [ Spelt also catlin .] Crobb.
[n] - a long double-edged knife used for amputations
noun a long double-edged knife used for amputations