star picket

Etymology
From +.

Noun

 * 1)  A type of pointed metal fence post, consisting of three stips of metal at equal angles to each other.
 * 2) * 1997, Queensland University Staff, International Trade & Business Law Annual, Volume 3, footnote, |%22star+pickets%22+-intitle:%22%22+-inauthor:%22%22&source=bl&ots=t0ZsLv6Nvx&sig=N6vg0Wl336XZssc4Nf_Hm4J6km4&hl=en&sa=X&ei=dYRlUNaRD4atiQf934DAAw&redir_esc=y#v=onepage&q=%22star%20picket%22|%22star%20pickets%22%20-intitle%3A%22%22%20-inauthor%3A%22%22&f=false page 198,
 * The significance of Y-bar steel is that it is used to produce star picket posts by cutting the steel into fence post lengths and drilling holes through which wire will pass. Star picket fencing is the most popular form of rural fencing used in Australia.

Synonyms
stardropper, star post, waratah, t-post, y-post