This word has different meanings. 1. It signifies God’s taking a whole nation, community, or body of men, into external covenant with himself, by giving them the advantage of revelation as the rule of their belief and practice, when other nations are without it, Deut. 7:6.—2. A temporary designation of some person or station in the visible church, or office in civil life, John 6:70. 1 Sam.10:24.–3. That gracious and almighty act of the Divine Spirit, whereby God actually and visibly separates his people from the world by effectual calling, John 15:19.–4. That eternal, sovereign, unconditional, particular, and immutable act of God, whereby he selected some from among all mankind, and of every nation under heaven, to be redeemed and everlastingly saved by Christ, Eph. 1:4. 2 Thess. 2:13.
Charles Buck (1771-1815) was an English Independent minister, best known for the publication of his “Theological Dictionary”. According to the “Dictionary of National Biography”, a Particular Baptist minister named John C. Ryland (1723-1792) assisted Buck by writing many of the articles for the aforementioned publication. One may conclude, based not only Buck’s admiration for his friend Ryland, but also on the entries in his Theological Dictionary, that he stood head and shoulders with the High-Calvinists of his day.