fish-bellied

[fish-bel-eed]

adjective Building Trades, Machinery.

(of a beam or rail) having a convex underside.

Origin of fish-bellied

First recorded in 1825–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fish-bellied

Historical Examples of fish-bellied

The malleable rails were of the kind called "fish-bellied," and weighed 28 lbs.
The Life of George Stephenson and of his Son Robert Stephenson
Samuel Smiles
The malleable rails were of the kind called “fish-bellied,” and weighed 28 lbs.
Lives of the Engineers
Samuel Smiles