Wave at a Vehicle as a Signal for It to Stop
This page is the CodyCross answer for the clue below from Campsite Adventures, Group 836, Puzzle 1 (Bird Watching).
Question is: Wave at a Vehicle as a Signal for It to Stop
and the answer is: FLAGDOWN
Word Meaning:
FLAG DOWN — (transitive, idiomatic) Use a flag or similar kind of signal to get someone's attention.
Definitions from Wiktionary.