n (grammar) A word used to join other words or phrases together into sentences. The specific conjunction used shows how the two joined parts are related. Example: Bread, butter 'and' cheese.
n (astronomy) The alignment of two bodies in the solar system such that they have the same longitude when seen from Earth.
n (astrology) An aspect in which planets are in close proximity to one another.
n (context|logic) The proposition resulting from the combination of two or more propositions using the ∧ () operator.