Definition of "triarmed"

A brace wire fastening for wire fences has been patented by Mr. Arthur Lott, of Riddleville, Tex. Combined with the panel wires are braces and triarmed clasps embracing the wires and braces at their points of intersection, the clasps each being made in one place, with its arms bent around a longitudinal or pasel wire and a brace wire.

1885 October 10, “Miscellaneous Inventions”, in Scientific American, volume 53, page 234

An abnormal arrangement of paired g chromatids resulting in a triarmed configuration Quadriradial (qr)

1987, D. Brusick, Principles of Genetic Toxicology, page 40

Sequential living polymerizations of hydrophilic and hydrophobic vinyl ethers from these trifunctional initiators give amphiphilic triarmed block copolymers where the hydrophilic segments may be placed either inner or outer layer of the three arms.

1997, Hatada, Macromolecular Design of Polymeric Materials, page 45