Used after a pause for thought to introduce a new topic, question or story, or a new thought or question in continuation of an existing topic.

Abbreviation of someone.

(music) A syllable used in solfège to represent the fifth note of a major scale.

(foods) A type of dairy product, made especially in Japan between the seventh and 10th centuries, by reducing milk by boiling it.

Initialism of significant other. / (sports) Initialism of shut out. / (sports) Initialism of shootout. / (baseball) Initialism of strike out. / (logic, computer science) Initialism of second-order logic.

Initialism of someone.

Roughly, approximately.

A Mon-Khmer-speaking people of Laos and Thailand.

Alternative form of So.

A Chinese surname from Cantonese.