maternal quality is a noun meaning "the quality of having or showing the tenderness and warmth and affection of or befitting a mother". It carries one recorded sense.
the quality of having or showing the tenderness and warmth and affection of or befitting a mother
“the girl's motherliness made her invaluable in caring for the children”
Definitions, synonyms and semantic relations for maternal quality come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.