Asteroid 5152, Labs, was discovered on October 18, 1931 by Karl Reinmuth at Heidelberg, Germany. It has a period of 4 years, 92 days.
It was named for German astrophysicist Dietrich Labs (1921-2008), a specialist in solar astronomy.
The meaning of asteroid Labs seems to be what its name might suggest:labs, a laboratory, to experiment, to experiment with, to try something out.