1.
[syn: flatbottom, flatbottomed]
The Collaborative International Dictionary of English v.0.48:
flat-bottom \flat-bottom\ flat-bottomed \flat-bottomed\adj.
1. having a flat bottom. a flat-bottom boat
[WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
flat-bottom \flat"-bot`tom\ flat-bottomed \flat"-bot`tomed\, a.
Having an even lower surface or bottom; as, a flat-bottomed
boat.
[1913 Webster]
WordNet (r) 3.0 (2006):
flatbottom
adj 1: having a flat bottom; "a flatbottom kettle"; "a
flatbottomed boat" [syn: flatbottom, flatbottomed]