1. One of the triangular platforms in front of, and abaft, the paddle boxes of a steamboat 
2. One of the slanting supports under the guards of a steamboat 
3. One of the armoured projections fitted with gun ports, used on modern war vessels

Derived forms: sponsons

Encyclopedia: Sponson

• suckling pig
• suckling reflex
• sucralfate
• sucrase
• sucre
• sucrose
• suction
• suction cup
• suction curettage
• suction lipectomy
• suction pump
• suction stop
• suctorial
• Sudafed
• Sudan
• Sudanese
• Sudanese monetary unit
• Sudanese pound
• sudate
• sudation
• sudatorium
• sudatory
• Sudbury
• sudd
• sudden