an airplane provided with floats for taking off from or landing on water.

Origin of seaplane

First recorded in 1910–15; sea + plane1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for seaplane

Contemporary Examples of seaplane

Historical Examples of seaplane

British Dictionary definitions for seaplane



any aircraft that lands on and takes off from waterAlso called (esp US): hydroplane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for seaplane

1913, from sea + plane (n.2).

Online Etymology Dictionary, © 2010 Douglas Harper