syssarcosis

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The union or attachment of bones, such as the hyoid bone and lower jaw, by means of muscle.

Century Dictionary and Cyclopedia

1. n. In anatomy, fleshy connection; the connection of one bone with another by means of intervening muscle: correlated with synneurosis, syndesmosis, etc. The connections of the hyoid bone with the lower jawbone, breast-bone, and shoulder-blade respectively are syssarcosic in man. Also synsarcosis.

Wiktionary

1. n. anatomy The junction of bones by intervening muscles.

GNU Webster's 1913

1. n. (Anat.) The junction of bones by intervening muscles.