altrices pl (plural only)
- (zoology) nursers; those birds whose young are hatched in a very immature and helpless condition, so as to require the care of their parents for some time.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for altrices in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)