altricial /ælˈtɹɪʃəl/adjective 1noun 1forms 3 adjective1 •Helpless at birth (of young animals); or having young which are helpless at birth.Altricial young are typical among carnivores, which might be expected to be hampered in their hunting behaviour if the pregnant mother has to carry its young for a long period. — 2001 noun1 •Such an animal. formsaltricials · more altricial · most altricial