Pronunciation: (tak'sis),[key] —n., —pl.tax•esPronunciation: (tak'sēz).[key] 1. arrangement or order, as in one of the physical sciences.
2. Biol.oriented movement of a motile organism in response to an external stimulus, as toward or away from light.
3. Surg.the replacing of a displaced part, or the reducing of a hernia or the like, by manipulation without cutting.
4. Archit.the adaptation to the purposes of a building of its various parts.