(Britain, slang, dated, sometimes as a term of address) An old friend; an old chap or fellow.

(idiomatic) A person who is experienced at a certain activity.

(chiefly Britain) An alumnus, especially of a public school. / A former member of a group. / (UK) An old man. / (UK, dated) A familiar term of address for a man of any age.

(usually in the plural) A time in the past.

The language of Scandinavia until the 14th century, the common ancestor of modern Swedish, Danish, Norwegian, Faroese, and Icelandic.

Old Church Slavonic language / Proto-Slavic language / Old East Slavic language

(literally) An elderly woman. / (countable, informal, derogatory) A person (irrespective of age or sex) who is always complaining about his or her situation. / (countable, informal, slang) One's wife.

(derogatory, idiomatic) An elderly person who holds old-fashioned views.

(literally, informal) An elderly woman. / (slang) One's mother. / (slang, US) One's girlfriend, wife or significant other.

(religion, chiefly Christianity) The first major part of the Christian Bible, covering events before the coming of Christ, corresponding roughly to the Jewish Tanakh. Usually subdivided into the categories of law, history, poetry (or wisdom books), and prophecy.