transcription, транскрипция: [ ˈsplīn ]
noun
Etymology: origin unknown
Date: 1756
1. : a thin wood or metal strip used in building construction
2. : a key that is fixed to one of two connected mechanical parts and fits into a keyway in the other ; also : a keyway for such a key
3. : a function that is defined on an interval, is used to approximate a given function, and is composed of pieces of simple functions defined on subintervals and joined at their endpoints with a suitable degree of smoothness