Mother (4)
'mother' is the definition.
(I've seen this in other clues)
This is all the clue.
(Other definitions for parent that I've seen before include "Trepan for progenitor" , "Mother or father or what they do" , "Mum or dad" , "a dam, perhaps" , "Immediate ancestor" .)
(Other definitions for nature that I've seen before include "The world with all its features found in tea-urn" , "Basic character" , "Kind, sort; countryside" , "(Person's) character" , "Essential qualities or characteristics" .)
(Other definitions for teresa that I've seen before include "Mother ..., who ministered to the poor in India" , "Mother . . . . . ., saintly nun of Calcutta" , "Girl's name" , "Mother of Calcutta, 1910-97" , "Late nun, dedicated to helping the poor in India" .)
'mother' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for old lady that I've seen before include "Wife (informal)" , "Elderly woman" , "Mum" , "Wife or mother" .)
'mother' is the definition.
(mama informally means mother)
This is the entire clue.
(Other definitions for mama that I've seen before include "Mummy" , "Dam" , "Mum" , "Mature woman" , "Mother" .)
'mother' is the definition.
(informal term for mother)
This is all the clue.
(Other definitions for mum that I've seen before include "member of the family" , "Silent; parent" , "Quiet; relative" , "Palindromic mater" , "Mother - she's the word for secrecy" .)
'mother' is the definition.
(I know that mom is a type of mother)
This is the entire clue.
(Other definitions for mom that I've seen before include "US mother, in short" , "'US mother, informally (3)'" , "A familiar American mother" .)
(Other definitions for hen that I've seen before include "Composed of women" , "Adult female chicken" , "Source of eggs" , "Laying bird" , "Farm bird" .)
(Other definitions for den that I've seen before include "Wild animal's home" , "Habitation of wild animals (3)" , "Hideaway" , "Animal lair or gent's study" , "Animal's home or gent's study" .)
'mother' is the definition.
(old-fashioned term for mother)
This is all the clue.
(Other definitions for mater that I've seen before include "The alma . . . . . Is the old school (5)" , "Mother (Latin or old slang)" , "Mum" , "An old Roman mother" , "One marrying" .)