Artificial intelligent assistant

gamber

gamber
  (ˈgæmbə(r))
  [var. camber.]
  The concave curve of a boat's keel.

1857 P. Colquhoun Comp. Oarsman's Guide 31 Shear is the rising of the gunwale of a boat towards head and stern; gamber is the same on the keel; otherwise called tripping up.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 35d1f363869bff2e408c346d08ab48fe