2. Prefix. (medicine) Forms terms related to respiration ¹
3. Prefix. (chemistry) Forms terms related to spiro compounds ¹
¹ Source: wiktionary.com
Medical Definition of Spiro-
1. 1. Coil, coil-shaped. Origin: G. Speira 2. Breathing. Origin: L. Spiro, to breathe (05 Mar 2000)