say it: SAY-ling
sailing is a noun meaning "the work of a sailor". It carries 4 recorded senses.
the work of a sailor
riding in a sailboat
the departure of a vessel from a port
the activity of flying a glider
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sailing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.