[prop. 3rd pers. sing. of L. ægrōtāre (see prec.) ‘he is sick.’] In the Eng. Universities, a certificate that a student is too ill to attend at a lecture or examination. Cf. ÆGER.
1864. C. Babbage, Philosopher, 37. I sent my servant to the apothecary for a thing called an aegrotat, which I understood … meant a certificate that I was indisposed.
