See Also: Petersen grab(dictionary)
Petersen's(tourism)
Petersen's bag(medicine)
Petersen, C(medicine)
Petersen graph(dictionary)
Smith-Petersen, Marius(medicine)
Smith-Petersen nail(medicine)
grab bag(dictionary)
grab(dictionary)
grab(2)(dictionary)

Petersen grab (iou)



Petersen grab noun phr. E20.
[C. G. J. Petersen (1860-1928), Danish marine biologist.]
A kind of grab for obtaining a sample of the bed of a body of water, consisting of two semicircular hinged jaws which close automatically on contact with the bottom.