Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  deltoid, deltoid muscle, musculus deltoideus(adj) a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm. 2  deltoid(adj) triangular or suggesting a capital delta, with a point at the apex.
Founded in 1846, Washington, D.C.'s Smithsonian Institution is the world's largest museum and research center, with 19 museums and galleries, nine research facilities, and the National Zoological Park. Most of these attractions are located in and around the National Mall, between the Lincoln Memorial and the U.S. Capitol.
No. Washington, D.C. is a city on the east coast. In this case Washington is the city name and District of Columbia is the district. Washington, DC is not in a state for polit â¦ ical reasons.The state of Washington is on the west coast.here are many haunted locations that are open to the public in Washington State. PIHA (Paranormal Investigations of Historic America) only investigates these historic locatio â¦ ns. Your first and best historic location to visit and possibly see or experience a ghost is your local museum.