Definition of: affix

(ə·fiks′) v.t.
1. To fix or attach; fasten, as a seal; append, as a signature at the end of a document.
2. To connect with or lay upon, as blame, responsibility, etc. See synonyms under ADD.

—noun (af′iks)
1. That which is attached, appended, or added.
2. Ling. A prefix, suffix, or infix. [<L affixus, pp. of affigere <ad- to + figere fasten]