A title used after person's name (first name or surname) regardless of sex; Mr, Ms, Mrs, Miss. Also used after a job title and a company name. / (colloquial) Used after a shop name.

三人: three people

三角形: triangle

三月, 3月: March

賛意: assent / 三位: third rank / 三尉: second lieutenant

三葉機: triplane

画賛, 画讃: / 臥蚕: a silkworm that is resting in preparation for moulting

三男: third son; three men

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth

The そくおん (sokuon): a small form of つ (tsu). In romanization, this is represented by doubling the following consonant. The equivalent in katakana is ッ. / A glottal stop or “choked sound”.