flock
noun
[ flɒk ]
• a number of birds of one kind feeding, resting, or travelling together.
• "a flock of gulls"
flock
verb
• (of birds) congregate in a flock.
• "sandgrouse are liable to flock with other species"
Origin:
Old English flocc, of unknown origin. The original sense was ‘a band or body of people’: this became obsolete, but has been reintroduced as a transferred use of the sense ‘a number of animals kept together’.
flock
noun
• a soft material for stuffing cushions, quilts, and other soft furnishings, made of wool refuse or torn-up cloth.
• "flock mattresses"
Origin:
Middle English: from Old French floc, from Latin floccus (see floccus).