Definition of "steamship" [steam•ship]

• A large vessel propelled by one or more steam-driven screws, propellers, or paddles. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The claims for interest upon the amount of tonnage dues illegally exacted from certain German steamship lines were favorably reported in both Houses of Congress at the last session, and I trust will receive final and favorable action at an early day."
• "I renew my recommendation of two years ago for the passage of a bill for the refunding to certain German steamship lines of the interest upon tonnage dues illegally exacted."
• "Another steamship is launched, and the potent store is almost gone."