head-gear, turban, of common priest (conical? compare Di)
Strong's H4021מִגְבָּעָה: a cap (as hemispherical) KJV:bonnet.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 309: גבעgbʿ — convex, projecting, high, swell, swell up, hump-backed, hill