A "bad Weather" Postponement?

This page is the CodyCross answer for the clue below from Physics, Group 1885, Puzzle 3 (Electricity).

Question

A "bad Weather" Postponement?

Answer

RAINCHECK

Word Meaning:

RAIN CHECK — (originally US baseball) A reissue, at no extra charge, of a ticket for a baseball game or other outdoor event postponed or interrupted because of rain.

Definitions from Wiktionary.

A "bad weather" postponement? Physics Answers