Definition of incumbents:
(n) :
The current holder of an office or title; (specifically, Christianity) the holder of an ecclesiastical benefice.
(adj) :
(figurative) Followed by on or upon: imposed on one as an obligation, especially due to one's office or position.
(adj) :
(figurative) Being the current holder of an office or a title; specifically (Christianity, obsolete), of an ecclesiastical benefice.
(n) :
(business) A holder of a position as supplier to a market or market segment that allows the holder to earn above-normal profits.
(adj) :
Chiefly followed by on or upon: leaning, or lying, reclining, or resting, on something else.
(adj) :
(zoology) Of a body part such as a hair, spine, or wing: bent downwards or otherwise positioned so that it, or part of it, rests on or touches something else; specifically (ornithology), of the hind toe of a bird: fully resting on a support.