tot

nouns

a small amount (especially of a drink)
"a tot of rum"
tot
is a type of (narrower)
an indefinite quantity that is below average size or magnitude
small indefinite amount, small indefinite quantity
a young child
bambino, toddler, tot, yearling

verbs

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