Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
During battle there is no purpose in striking the colours other than to indicate surrender.
The more striking the colours, the easier they are to remember - no predator is likely to forget these particular insects.
Striking the colours was a sign of surrender.
For this reason, striking the colours is conclusive evidence of a surrender having taken place in the case of a warship, but not in the case of a merchant ship.