1) Linguistic string 2) String of words 3) Word string 
[adj] - related as members of a syntagma
adjective related as members of a syntagma; `syntagmatic word associations`
pertaining to a relationship among linguistic elements that occur sequentially in the chain of speech or writing, as the relationship between the sun and is shining or the and sun in the sentence The sun is shining.
A reference to the linear (or temporal) sequence of elements which contrasts directly with the vertical axis — the paradigmatic axis.