The Collaborative International Dictionary of English v.0.48:
Preside \Pre*side"\, v. i. [imp. & p. p. Presided; p. pr. &
vb. n. Presiding.] [L. praesidere; prae before + sedere to
sit: cf. F. pr['e]sider. See Sit.]
1. To be set, or to sit, in the place of authority; to occupy
the place of president, chairman, moderator, director,
etc.; to direct, control, and regulate, as chief officer;
as, to preside at a public meeting; to preside over the
2. To exercise superintendence; to watch over.
Some o'er the public magazines preside. --Dryden.