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Webster 1913 Edition
Portass
Por′tass
,Noun.
 [OF. 
porte-hors 
a kind of prayer book, so called from being portable; cf. LL. portiforium
.] A breviary; a prayer book. 
[Written variously 
portace
, portasse
, portesse
, portise
, porthose
, portos
, portus
, portuse
, etc.] [Obs.] 
Spenser. Camden.
 By God and by this 
porthors 
I you swear. Chaucer.
Webster 1828 Edition
Portass
PORTASS
,Noun.
  [Not used.]
Definition 2025
portass
portass
English
Alternative forms
Noun
portass (plural portasses)
-  (obsolete) A breviary; a prayer book.
- (Can we find and add a quotation of Camden to this entry?)
 - (Can we find and add a quotation of Chaucer to this entry?)
 - (Can we find and add a quotation of Spenser to this entry?)