faying

/ˈfeɪ.ɪŋ/
verb
  1. The act of fitting or joining two surfaces closely together, especially in woodworking or shipbuilding.
    • Faying the edges of the deck planks required careful sanding.
    • They spent the afternoon faying the frame pieces for the boat.
    • The apprentice learned the technique of faying boards for a watertight seal.