What does apert mean?
The definition of apert
A*pert”, a.
Etym: [OF. apert, L. apertus, p. p. of aperire. See Aperient, and cf. Pert, a.]
Open; ev [Archaic] Fotherby.
A*pert”, adv.
Openly. [Obs.] Chaucer.
Openly. [Obs.] Chaucer.
An English Dictionary
Open; ev [Archaic] Fotherby.