Altrices
- n. pl. Nursers, — a term applied to 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; — opposed to praecoces.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.