Any of a number of fast-moving active lizards with longitudinal markings and a pointed snout.
an American lizard (genus Cnemidophorus, family Teiidae)
- ‘Making my way down a trail through rosemary scrub in Florida's central sandhills, I surprised a six-lined racerunner (Cnemidophorus sexlineatus, so named for the lines that run the length of its body) basking in a wheel rut.’
Are You Learning English? Here Are Our Top English Tips