The Collaborative International Dictionary
Stanchion \Stan"chion\ (st[a^]n"sh[u^]n; 277), n. [OF. estanson, estan[,c]on, F. ['e]tan[,c]on, from OF. estance a stay, a prop, from L. stans, stantis, standing, p. pr. of stare to stand. See Stand, and cf. Stanza.] [Written also stanchel.]
(Arch.) A prop or support; a piece of timber in the form of a stake or post, used for a support or stay.
(Naut.) Any upright post or beam used as a support, as for the deck, the quarter rails, awnings, etc.
A vertical bar for confining cattle in a stall.
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
n. A stanchion.