Meaning

noun a score in baseball made by a runner touching all four bases safely

noun the act of testing something

noun a race run on foot

originFrom Middle English runnen, rennen (“to run”), alteration (due to the past participle runne, runnen, yronne) of Middle English rinnen (“to run”), from Old English rinnan, iernan (“to run”) and Old Norse rinna (“to run”), both from Proto-Germanic *rinnaną (“to run”), from Proto-Indo-European *h₃reyH- (“to boil, churn”). Cognate with Scots rin (“to run”), West Frisian rinne (“to walk, march”),…

Etymology from Wiktionary, CC BY-SA 3.0