plural of colour
"The merchant ship hoisted its national colours at the stern to signal its registration as it entered the port."
Flag denoting the nationality of a vessel, flown from the stern.
In plain English: Colours are the different shades and hues that you see when looking at things around you.
"The artist mixed many bright colours to create her painting."
Usage: Use this term only in nautical contexts to refer to flags displaying a ship's nationality at its rear; it is not used for general paint hues or rainbow shades. Avoid confusing it with "colors" when discussing artistic pigments unless specifically referring to maritime tradition.
Third-person singular simple present indicative form of colour
"She colours her hair every spring to match the blooming flowers."
In plain English: To colour something means to add paint, dye, or any other substance that gives it a specific color.
"The autumn wind coloured everything in shades of red and orange."