/flɒk; flɑk/
n [CGp]
1 ~ (of sth) group of sheep, goats or birds of the same kind, either kept together or feeding and travelling together （同一种的羊或鸟的）一群
*a flock of wild geese 一群雁
* flocks (of sheep) and herds (of cattle) 羊群和牛群.
2 large crowd of people 人群; 群众
*People came in flocks to see the royal procession. 人们蜂拥而至瞻望皇室人员外出时的仪仗队.
3 number of people in sb's care, esp Christian churchgoers under a priest （由某人照管的）一群人; （尤指同一牧师辖下的）全体教徒
*a priest and his flock 牧师和他的教友.

v [Ipr, Ip] gather, move, come or go together in great numbers 群集; 成群结队
*In the summer, tourists flock to the museums and art galleries. 夏季游人成群结队到博物馆和艺术馆参观.
* Huge numbers of birds had flocked together by the lake. 成群的鸟聚集在湖畔.

/flɒk; flɑk/
n
1 [C usu pl 通常作复数] tuft of wool, cotton, hair, etc （羊毛、棉花、毛发等的）一束.
2 [U] soft material for stuffing cushions, mattresses, etc （填充靠垫、床垫等的）软质材料
*[attrib 作定语] a flock mattress 软床垫
* flock(ed) wallpaper, ie with a raised pattern made of short tufts of material 植绒壁纸.