Easter term

noun3

1. •
   The third term of the legal year, running from April to May, during which the upper courts of England and Wales, and Ireland, sit to hear cases.
2. •
   The summer term of the University of Cambridge, and other educational institutions, running from April to June; equivalent to Trinity term at the universities of Oxford and Dublin. The term was modelled after the legal term, but does not begin and end on the same dates.

   • There are four terms in the year, viz. […] 3. Easter term, which begins on the tenth day after Easter Sunday, and ends on the day before Whitsunday. — 1813
3. •
   (historical) Synonym of Paschal term (“the fourteenth day of the first lunar month of spring, formerly used in calculating dates”).