Bible Dictionaries
Backbone

Webster's Dictionary

(1):

(n.) The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.

(2):

(n.) Anything like , or serving the purpose of, a backbone.

(3):

(n.) Firmness; moral principle; steadfastness.

Bibliography Information
Webster, Noah. Entry for 'Backbone'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/backbone.html. 1828.