Definify.com
Webster 1913 Edition
Scot
Scot
,Noun.
 A name for a horse. 
[Obs.] 
Chaucer.
 Scot
,Noun.
 [Cf. L. 
Skoti
, pl., AS. Scotta
, pl. Skottas
, Sceottas
.] A native or inhabitant of Scotland; a Scotsman, or Scotchman. 
 Scot
,Noun.
 [Icel. 
skot
; or OF. escot
, F. écot
, LL. scottum
, scotum
, from a kindred German word; akin to AS. scot
, and E. shot
, shoot
; cf. AS. sceótan 
to shoot, to contribute. See Shoot
, and cf. Shot
.] A portion of money assessed or paid; a tax or contribution; a mulct; a fine; a shot. 
Scot and lot
, formerly, a parish assessment laid on subjects according to their ability. 
[Eng.] 
Cowell. 
Now, a phrase for obligations of every kind regarded collectivelly.
Experienced men of the world know very well that it is best to pay 
scot and lot 
as they go along. Emerson.