strakes

noun

1. 1

   An iron fitting of a medieval cart wheel.

2. 2

   A type of aerodynamic surface mounted on an aircraft fuselage to fine-tune the airflow.

3. 3

   A continuous line of plates or planks running from bow to stern that contributes to a vessel's skin. (FM 55-501).

4. 4

   A shaped piece of wood used to level a bed or contour the shape of a mould, as for a bell

5. 5

   A trough for washing broken ore, gravel, or sand; a launder.

6. 6

   A streak.