1.Definition: a specific practice of long standing

Related Noun(s):tradition

Category: General

2.Definition: accepted or habitual practice

Related Noun(s):usage, usance

Category: General

3.Definition: habitual patronage

"I have given this tailor my custom for many years"

Category: General

4.Definition: money collected under a tariff

Related Noun(s):customs, impost

Category: General