2. Adjective. (rare physiology) Of the uterus, exhibiting thickening before implantation of an ovum. ¹
3. Adjective. Of or pertaining to a nidus. ¹
¹ Source: wiktionary.com
Definition of Nidal
1. pertaining to a nidus [adj] - See also: nidus
Medical Definition of Nidal
1. Relating to a nidus, or nest. (05 Mar 2000)