Laundry Tool, Musical Instrument, and Shredded Abs
This page is the CodyCross answer for the clue below from Physics, Group 1897, Puzzle 4 (Wave Function).
Question is: Laundry Tool, Musical Instrument, and Shredded Abs
and the answer is: WASHBOARD
Word Meaning:
WASHBOARD — A board with a corrugated surface against which laundry may be rubbed.
Definitions from Wiktionary.