n (countable) A small shoot or scion of a tree inserted in another tree, the stock of which is to support and nourish it. The two unite and become one tree, but the graft determines the kind of fruit.
n (countable) A branch or portion of a tree growing from such a shoot.
n (surgery|countable) A portion of living tissue used in the operation of autoplasty.
n (uncountable|colloquial) Effort needed for doing hard work.
n (uncountable|slang) A criminal's special branch of practice