Index: docs/Lexicon.rst
===================================================================
--- docs/Lexicon.rst
+++ docs/Lexicon.rst
@@ -259,6 +259,10 @@
     In garbage collection, metadata emitted by the code generator which
     identifies `roots`_ within the stack frame of an executing function.
 
+**Splat**
+    Splat means to take a single value and build a vector out of identical
+    copies of that value.
+
 T
 -