(n.) A wood or a collection of trees, shrubs, etc., closely set; as, a ram caught in a thicket.

batch boscage bosket brake bunch canebrake ceja chamisal chaparral clump cluster coppice copse copsewood covert crop frith group grouping groupment grove hassock knot lot mess motte shock slew spinney stook thickset tuft tussock wisp wood