Definition of "detachable"

Pique and linen also accented several coats and oftentimes were both detachable and formed an overcollar covering a collar made from the coat fabric.

1967, Ann Helen Stroup, An Investigation of the Dress of American Children from 1930 Through 1941 with Emphasis on Factors Influencing Change, page 195

For the past few months, the red HP Pavilion X2 10-n055na has been my pick of the detachables at £249.99.

2015 November 5, Jack Schofield, “Which laptop should we buy for our child?”, in The Guardian‎