ALL meanings of nocturnality
noc·tur·nal
N n - adjective nocturnality of or relating to the night (opposed to diurnal). 1
- adjective nocturnality done, occurring, or coming at night: nocturnal visit. 1
- adjective nocturnality active at night (opposed to diurnal): nocturnal animals. 1
- adjective nocturnality opening by night and closing by day, as certain flowers (opposed to diurnal). 1
- noun nocturnality Archaic. an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris. 1