Etymology - Catgut may be an abbreviation of cattlegut. - It may derive from kitgut or kitstring. - The word kit, meaning fiddle, may have been confused with the word kit for a young cat. - The term kit was derived from Old English cythere, Latin cithara, and Greek kithara. - Kit was used to refer to a small fiddle used by dancing teachers.

Common uses - Catgut was commonly used for strings in musical instruments such as harps, lutes, violins, and guitars. - Gut strings are still preferred by classical and baroque string players. - Steel strings became popular for acoustic guitars in the early 1900s. - Nylon strings replaced catgut for classical and flamenco guitarists after World War II. - High-quality gut strings are produced in Italy, Germany, and the United States.

Sutures - Catgut sutures were widely used in surgical settings. - Catgut sutures are still used in developing countries due to their affordability. - Chromic catgut, treated with chromium salts, is also used in surgery. - Catgut sutures are treated to resist body enzymes for slower absorption. - Catgut plain sutures are untreated catgut sutures.

Tennis racquets - Natural gut strings were used as high-performance strings in tennis racquets. - Synthetic strings are displacing natural gut strings. - Natural gut strings had more popularity in the past. - Natural gut strings are still used by some tennis players. - Synthetic strings offer advantages in terms of durability and cost.

Clocks and watches - Catgut is traditionally used to hang weights in grandfather clocks. - Catgut was used in early pocket timepieces before the use of the Fusee chain. - Catgut played a role in the functioning of clocks and watches. - The use of catgut in clocks and watches has been replaced by other materials. - Catgut was a common material in timekeeping devices in the past.