[ sin-sak-ruh m, -sey-kruh m ]
/ sɪnˈsæk rəm, -ˈseɪ krəm /
noun, plural syn·sac·ra [sin-sak-ruh, -sey-kruh] /sɪnˈsæk rə, -ˈseɪ krə/. Ornithology.
a dorsal ridge of bone in the pelvic region of birds, formed by the fusion of certain thoracic, lumbar, sacral, and caudal vertebrae.
CAN YOU ACE THIS QUIZ ABOUT “COMPLIMENT” VS. “COMPLEMENT”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.
OTHER WORDS FROM synsacrumsyn·sa·cral, adjectivepre·syn·sa·cral, adjective
Words nearby synsacrum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020