Having bands of colour round the body. Also more generally: having bands of colour.
Translations of Genesis appear to be the source from which all later usage is derived.
Mid 16th century; earliest use found in The Holie Bible, conteynyng the Olde Testament and the Newe. From ring + straked, originally translating biblical Hebrew ʿāqōd striped, streaked (Genesis 30–31, only in the story of Jacob's deception of Laban).