• (v. t.) To stay beyond. • (v. i.) To stand out, or project, from a surface or mass; hence, to remain standing out. • (v. t.) To resist effectually; to withstand; to sustain without yielding.
Out·stand' intransitive verb To stand out, or project, from a surface or mass; hence, to remain standing out. Out·stand' transitive verb 1. To resist effectually; to withstand; to sustain without yielding. [ R.] Woodward. 2. To stay beyond. 'I have outstood my time.' Shak. 
The distance from the centre line of web or back of angle to the edge of the unstiffened flange or leg.