What does the cryptic crossword clue "Stimulate American to import eggs? On the contrary (5)" mean?

The wordplay uses a container (one word inside another). US (synonym="=American") in ROE (synonym="=eggs, of fish") = ROUSE The answer is ROUSE.

Stimulate American to import eggs? On the contrary (5)

Independent Cryptic #11648 | 17 Across | 2024-02-09 flower