What is the meaning of Subtend?
To use an angle to delimit (mark off, enclose) part of a straight or curved line, for example an arc or the opposite side of a triangle.
To extend or stretch opposite something; to be part of a straight or curved line that is opposite to and delimits an angle.
To form the central angle of a circle underneath an arc.
To stand beneath or close to, as a bract at the base of a flower.
Source: wiktionary.orgSearch words containing