Definify.com
Webster 1913 Edition
Masting
Mast′ing
,Noun.
 (Naut.) 
The act or process of putting a mast or masts into a vessel; also, the scientific principles which determine the position of masts, and the mechanical methods of placing them. 
Masting house 
(Naut.)
, a large building, with suitable mechanism overhanging the water, used for stepping and unstepping the masts of vessels.
 Definition 2025
masting
masting
English
Noun
masting (plural mastings)
- (botany) A mast seeding.
 
Verb
masting
- present participle of mast