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Webster 1913 Edition
Tho
Tho
(thō)
, def.
 art.
 The. 
[Obs.] 
Spenser.
 Tho
,p
ron.
 pl.
 Those. 
[Obs.] 
This knowen 
 tho 
that be to wives bound. Chaucer.
Tho
,adv.
 [AS. 
þā
.] Then. 
[Obs.] 
Spenser.
 To do obsequies as was 
 tho 
the guise. Chaucer.
Tho
,c
onj.
 Though. 
[Reformed spelling.] 
Webster 1828 Edition
Tho
THO
, a contraction of though. [See Though.]1.
  Tho, for sax. thonne, then. [Not in use.]