from
The Collaborative International Dictionary of English v.0.48
Topgallant \Top`gal"lant\, a.
[1913 Webster]
1. (Naut.) Situated above the topmast and below the royal
mast; designatb, or pertaining to, the third spars in
order from the deck; as, the topgallant mast, yards,
braces, and the like. See Illustration of {Ship}.
[1913 Webster]
2. Fig.: Highest; elevated; splendid. "The consciences of
topgallant sparks." --L'Estrange.
[1913 Webster]
{Topgallant breeze}, a breeze in which the topgallant sails
may properly be carried.
[1913 Webster]