What does breviate mean?
The definition of breviate
Bre”vi*ate, n.
Etym: [L. breviatus, p.p. of breviare to shorten, brevis short.]

1 A short compend; a summary; a brief statement. I omit in this breviate to rehearse. Hakluyt. The same little breviates of infidelity have . . . been published and dispersed with great activity. Bp. Porteus.
2 A lawyer’s brief. [R.] Hudibras.

Bre”vi*ate, v. t.
To abbreviate. [Obs.]