(~s)
1.
If you take on the ~ of something such as a profession or an important job, you take on the responsibilities and duties which must be fulfilled by anyone who has this profession or job. (WRITTEN)
Glasgow has broadened its appeal since taking on the ~ of European City of Culture in 1990...
N-SING: the N of n
2.
A ~ of something is a layer of it covering a surface, for example a layer of snow on the ground. (WRITTEN)
The parks and squares looked grim under a ~ of soot and ash.
= blanket
N-COUNT: with supp
3.
see also mantel