Sponson
Pronunciation : Spon"son, n. (Shipbuilding) (a) One of the triangular platforms in front of, and abaft, the paddle boxes of a steamboat. (b) One of the slanting supports under the guards of a steamboat. (c) One of the armored projections fitted with gun ports
Part of Speech : used
Definition :
on modern war vessels.
Source : Webster's Unabridged Dictionary, 1913