OVERARCH
overarch, arch over
(verb) form an arch over; “Big rocks overarch the stream”
overarch
(verb) be central or dominant; “This scene overarches the entire first act”
Source: WordNet® 3.1
Etymology
Verb
overarch (third-person singular simple present overarches, present participle overarching, simple past and past participle overarched)
To form an arch over something.
Anagrams
• hovercar
Source: Wiktionary
O`ver*arch", v. t. & i.
Definition: To make or place an arch over; to hang over like an arch.
"Brown with o'erarching shades." Pope.
Source: Webster’s Unabridged Dictionary 1913 Edition