thinning out

Also found in: Idioms.
See: erosion
References in periodicals archive ?
STOURBRIDGE 43 LUCTONIANS 7 IT MAY be a little early to talk about a one-horse race in National League 2 North but the field is certainly thinning out after leaders Stourbridge brushed aside third-placed Luctonians in a six-try thumping at Stourton Park.