
1) Boning
Found on
https://www.crosswordclues.com/clue/filleting

• (n.) The material of which fillets are made; also, fillets, collectively. • (n.) The protecting of a joint, as between roof and parapet wall, with mortar, or cement, where flashing is employed in better work. • (p. pr. & vb. n.) of Fillet
Found on
http://thinkexist.com/dictionary/meaning/filleting/
Fil'let·ing noun 1. (Architecture) The protecting of a joint, as between roof and parapet wall, with mortar, or cement, where
flashing is employed in better work.
2. The material of which fillets are made; also, fillets, collectively.
Found on
http://www.encyclo.co.uk/webster/F/29

In architecture filleting is the protecting of a joint, as between the roof and parapet wall, with mortar, or cement, where flashing is employed in better work.
Found on
http://www.probertencyclopaedia.com/browse/TF.HTM

material, as mortar, used as a substitute for flashing.
Found on
https://www.infoplease.com/dictionary/filleting
No exact match found.