A small bone in the wrist, situated near the base of the index finger.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "trapezoid" in a sentence
"It consists of two fasciculi, called the trapezoid and conoid ligaments."
"No, one of the more important things is what's being left behind, namely the trapezoid lane, which was adopted by FIBA in 1956 and took its final bow in this tourney."
"I imagined that a table has its top parallel to the floor and maybe that's why this geometrical shape was called a trapezoid, but I was wrong."