Toddler; dram (3)
I believe the answer is:
tot
This clue is a double definition.
'toddler' is the first definition.
(synonyms)
'dram' is the second definition.
(I've seen this before)
(Other definitions for tot that I've seen before include "Arithmetic for infant" , "Add up, aggregate" , "Small measure for a small child" , "Palindrome for small child" , "Small amount of spirits" .)