tot in WordNet English dictionary

1. determine the sum of
   "Add all the people in this town to those of the neighboring town"
   total  tot  tot up  sum  sum up  summate  tote up  add  add together  tally  add up 
   

1. a young child
   toddler  yearling  tot  bambino 
   
2. a small amount (especially of a drink)
   "a tot of rum"
   tot