Dictionary.net

• One of several heraldic bearings somewhat less common than an ordinary. See Ordinary.

2010 - New Age Dictionary Database
By Oddity Software

• sub-or'di-n[=a]-ri, n. (her.) one of a class of armorial charges less honourable than the ordinaries--the bordure, orle, bend sinister, &c.

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson