Dictionary:

nectary

  (nĕk'tə-rē)

A glandlike organ, located outside or within a flower, that secretes nectar.

[New Latin nectārium, from NECTAR.]

A gland that contains nectar. It is usually located near the base of a petal or stamen. In the process of securing nectar, a pollinator becomes dusted with pollen, which is then transferred to the next flower it visits.

The noun has one meaning:

Meaning #1: a gland (often a protuberance or depression) that secretes nectar
  Synonym: honey gland