nonagram

== English == === Etymology === From nona- +‎ -gram. === Pronunciation === === Noun === nonagram (plural nonagrams) (geometry) A regular nine-pointed star shape. ==== Related terms ==== (star shape): pentagram (5-pointed), hexagram (6-pointed), heptagram (7-pointed), octogram (8-pointed), decagram (10-pointed) === Anagrams === nanogram