LEVEL n.
ed a small spirit level. -- Level of the sea, the imaginary level from which heights and depths are calculated, taken at a mean distance between high and low water. -- Line of levels, a connected series of measurements, by means of a level, along a given line, as of a railroad, to ascertain the profile of the ground.…
PROBE n.
An instrument for examining the depth or other circumstances of a wound, ulcer, or cavity, or the direction of a sinus, of for exploring for bullets, for stones in the bladder, etc. Parr. Probe, or Probe-pointed, scissors (Surg.), scissors used to open wounds, the blade of which, to be thrust into the orifice, has a bu…