Definify.com
Webster 1913 Edition
Pennant
Pen′nant
(pĕn′nant)
, Noun.
 [OE. 
penon
, penoun
, pynoun
, OF. penon
, F. pennon
, fr. L. penna 
feather. See Pen 
a feather, and cf. Pennon
, Pinion
.] (Naut.) 
(a) 
A small flag; a pennon. The 
“With flags and pennants trimmed.” narrow pennant
, or long pennant 
(called also whip or coach whip) is a long, narrow piece of bunting, carried at the masthead of a government vessel in commission. The board pennant 
is an oblong, nearly square flag, carried at the masthead of a commodore’s vessel. Drayton. 
(b) 
A rope or strap to which a purchase is hooked.