A bath, in this context, refers to a bathtub or a designated space where one can fill it with water and use it to wash their body. In this clue, "Rubber ducky's place" suggests that it is where people commonly use rubber ducks or toys while taking a bath for recreational purposes.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Part of a baby's nighttime routine. Explanations are generated by AI and may be inaccurate.