Crosswords Solver

Answer: zeitgeber
Answer	Crossword Clue
zeitgeber	an environmental cue, as the length of daylight, that helps to regulate the cycles of an organism's biological clock.
zeitgeber	(German) an environmental cue, such as light, that helps to regulate the biological clock in an organism
zeitgeber	A cue given by the environment, such as a change in light or temperature, to reset the internal body clock

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: zeitgeber