wet lab noun 1verb 1forms 4 noun1 •A laboratory that is equipped with plumbing, ventilation, and equipment for performing physical experiments.After it was over, his small trust fund was $12,500 smaller. But he now has a mobile wet lab he can take wherever someone had a big enough backyard and a good idea. — 2011 verb1 •To perform experiments that require a wet lab. formswet labbed · wet labbing · wet labs · wet-labs