syntax
Concise Oxford English Dictionary © 2008 Oxford University Press:
syntax /ˈsɪntaks/
▶noun
- 1 the arrangement of words and phrases to create well-formed sentences.
■ a set of rules for or an analysis of this.
- 2 the structure of statements in a computer language.
– derivatives
syntactic adjective,
syntactical adjective,
syntactically adverb.
syntactic adjective,
syntactical adjective,
syntactically adverb.
– origin C16: from Fr. syntaxe, or via late L. from Gk suntaxis, from sun- ‘together’ + tassein ‘arrange’.
'syntax' also found in these Oxford entries:

