When a doctor orders laboratory tests, like blood tests for disease or for nutritional status, the doctor is the referring doctor: he refers the patient to the lab. In medicine, it approximately means sends, because the doctor is sending the patient to the lab, or other doctor, or . . .
Definitions for still waters run deep. Here are all the possible meanings and translations of the word still waters run deep. Wiktionary(0.00 / 0 votes)Rate this definition: still waters run deep(Proverb) A person with a calm appearance has, or may have, considerable inner emotion, character, or intellect.
The deepest waters are found in oceanic trenches, which plunge as deep as 35,000 feet below the ocean surface. These trenches are usually long and narrow, and run parallel to and near the oceans margins. They are often associated with and parallel to large continental mountain ranges.