The Collaborative International Dictionary
stonegall
Stannel \Stan"nel\ (-n[e^]l), n. [AS. st[=a]ngella, stangilla; properly, stone yeller, i. e., a bird that yells from the rocks. See Stone, and Yell, and cf. Stonegall.] (Zo["o]l.) The kestrel; -- called also standgale, standgall, stanchel, stand hawk, stannel hawk, steingale, stonegall. [Written also staniel, stannyel, and stanyel.]
With what wing the staniel checks at it.
--Shak.
Wiktionary
stonegall
n. (context UK dialect English) (alternative form of staniel English)