Long, narrow pieces of something, like metal or wood, that are put next to each other on a boat or a plane to make its outside surface.
Strakes are important for making boats and planes strong and smooth.
Examples:
The boat has metal strakes on its bottom.
The plane's wings have several strakes for better aerodynamics.
The carpenter nailed the wooden strakes to the hull of the boat.
The shiny metal strakes make the boat look cool.
The strakes on the rocket ship make it go super fast.
The big airplane has many strakes on its body.