‘邻座’ literally means ‘adjacent seat’—it combines 邻 (lín), meaning ‘neighbor’ or ‘next to’, and 座 (zuò), meaning ‘seat’ or ‘place to sit’. Together, they form a noun referring specifically to the person sitting immediately beside you—whether in a classroom, theater, train, or restaurant. It’s a neutral, polite term commonly used in everyday spoken and written Chinese when referring to someone nearby without knowing their name.

This word emphasizes physical proximity rather than relationship; it carries no implication of familiarity or friendship. Unlike more formal terms like ‘邻座乘客’ (adjacent passenger), ‘邻座’ alone is concise and widely understood in context. It’s frequently used in descriptions, anecdotes, or polite requests—for example, when asking someone to pass an item or commenting on a neighbor’s behavior. It’s not used for people sitting across from or behind you—only directly adjacent (left or right).