Search Result for "altricial": 
Wordnet 3.0

ADJECTIVE (1)

1. (of hatchlings) naked and blind and dependent on parents for food; 



The Collaborative International Dictionary of English v.0.48:

altricial \altricial\ adj.
   1. born naked and blind and dependent on parents for food; --
      of hatchlings. Opposite of precocial.
      [WordNet 1.5]


WordNet (r) 3.0 (2006):

altricial
    adj 1: (of hatchlings) naked and blind and dependent on parents
           for food [ant: precocial]