- to extend under or be opposite to: a chord subtending an arc.
- (of a leaf, bract, etc.) to occur beneath or close to.
- to form or mark the outline or boundary of.
- to be opposite to and delimit (an angle or side)
- (of a bract, stem, etc) to have (a bud or similar part) growing in its axil
- to mark off
- to underlie; be inherent in
