'Term day' definitions:

Definition of 'Term day'

From: GCIDE
  • Term day \Term day\ A day which is a term (as for payment of rent), or is a day in a term, as of the sitting of a court; esp., one of a series of special days, designated by scientists of different nations or stations, for making synoptic magnetic, meteorological, or other physical observations. [Webster 1913 Suppl.]