a flight or flock of mallards.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sord
Hed hand Fosh his sord or whissel or whatever it is that Generals carry nowdays."Same old Bill, eh Mable!"|Edward Streeter
"flock of mallards," 15c., perhaps from sord (v.) "to take flight," from Old French sordre "arise, stand up," from Latin surgere "to rise" (see surge (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper