Balister or Ballister: How To spell?
The word Balister is misspelled against Ballister, a noun meaning "A crossbow."
Ballister has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings ba & ister which should not be misspelled with single 'L'
Wrong Spelling:  ba-l-ister  Correct Spelling:  ba-ll-ister 
Find more wrongly spelled words of Ballister to spell it well.