straight angle
Third-person singular simple present indicative form of windmill
(countable) An addition or annex to a group, set, or total. / (uncountable) The act of including, i.e. adding or annexing, (something) to a group, set, or total.
(zoology) Any octopus of the family Bolitaenidae.
(mathematics, geometry) An angle that is equal to 180° (pi radians or two right angles).
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