Syntax \Syn"tax\, n. [L. syntaxis, Gr. ?, fr. ? to put together in order; sy`n with + ? to put in order; cf. F. syntaxe. See Syn-, and Tactics.]

1. Connected system or order; union of things; a number of things jointed together; organism. [Obs.]

They owe no other dependence to the first than what is common to the whole syntax of beings. --Glanvill.

2. That part of grammar which treats of the construction of sentences; the due arrangement of words in sentences in their necessary relations, according to established usage in any language.

Source: Webster's Revised Unabridged Dictionary (1913)