fillet
n.n. a thin, flat piece of meat, like beef or fish, that is cut from the bone. It is also a thin strip of stone or wood used to decorate a building.
n. a thin, flat piece of meat, typically cut from a bone; also, a thin strip of stone, wood, or metal used as a decorative element in architecture or sculpture.
The chef prepared a delicate fillet of salmon for the main course.
The architect specified that the entrance should be framed with a gold fillet to highlight the carved stone.
The restoration team carefully cleaned the marble fillet, revealing the intricate carvings that had been hidden by centuries of grime and neglect.
From Middle English filet, vylette, felet, filette, flette, from Old French filet, diminutive of fil (“thread”), from Latin fīlum (“thread”).