In heraldry, a chevron is an ordinary representing the rafters of a house and is supposed to betoken the accomplishment of some memorable work (or the completion of some business of importance) generally the foundation of someone's own family by the bearer.
Related term(s): Heraldry; Ordinary; Bend; Base (Heraldry); Pale; Fess
Source information: Wilhelm, Thomas. A Military Dictionary and Gazetteer. Philadelphia: L.R. Hamersly & Co., 1881. 102.