subtend

sub·tend  (sb-tnd)

tr.v. sub·tend·ed, sub·tend·ing, sub·tends

1. Mathematics To be opposite to and delimit: The side of a triangle subtends the opposite angle.

2. To underlie so as to enclose or surround: flowers subtended by leafy bracts.

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[Latin subtendere, to extend underneath : sub-, sub- + tendere, to extend; see ten- in Indo-European roots.]

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subtend

Verb

Geom to be opposite (an angle or side) [Latin subtendere to extend beneath]

Thesaurus

Verb

1.

subtend - be opposite to; of angles and sides, in geometry delimit be - have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"