A southern English patronymic surname from the given name Simon. / An unincorporated community and coal town in Ohio County, Kentucky, United States.

(military, US) Initialism of Marine Air-Ground Task Force.

plural of 50 cent

(architecture) In Gothic vaulting, any rib which does not spring from the impost and is not a ridge rib, but passes from one boss or intersection of the principal ribs to another.