Noun

1. An iron fitting of a medieval cart wheel.

   • 1866, The separate pieces of iron, forming together the fitting of the wheel, are called strakes, and the great nails by which they are fastened to the woodwork, and which had thick projecting heads, are called strake-nails and occasionally, it seems, cart-nails, great nails, or frets. — James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 1, p. 544.

2. A type of aerodynamic surface mounted on an aircraft fuselage to fine-tune the airflow.
3. A continuous line of plates or planks running from bow to stern that contributes to a vessel's skin. (FM 55-501).