an environmental cue, as the length of daylight or the degree of temperature, that helps to regulate the cycles of an organism's biological clock

simultaneous occurrence; synchronism

very cold; icy

alluring by a show of flashy or vulgar attractions; tawdry

serving as a protector, guardian, or patron

moving, acting, working, proceeding, etc., with ease, sometimes with superficiality

a day's work

to think or infer without certain or strong evidence; conjecture; guess