Search Result for "simplex": 
Wordnet 3.0

ADJECTIVE (2)

1. allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time;
- Example: "simplex system"

2. having only one part or element;
- Example: "a simplex word has no affixes and is not part of a compound--like `boy' compared with `boyish' or `house' compared with `houseboat'"


WordNet (r) 3.0 (2006):

simplex adj 1: allowing communication in only one direction at a time, or in telegraphy allowing only one message over a line at a time; "simplex system" 2: having only one part or element; "a simplex word has no affixes and is not part of a compound--like `boy' compared with `boyish' or `house' compared with `houseboat'"
The Free On-line Dictionary of Computing (30 December 2018):

simplex 1. Used to describe a communications channel that can only ever carry a signal in one direction, like a one-way street. Television is an example of (broadcast) simplex communication. Opposite: duplex. 2. The simplex method. (2001-07-21)
Bouvier's Law Dictionary, Revised 6th Ed (1856):

SIMPLEX. Simple or single; as, charta simplex, is a deed-poll, of single deed. Jacob's L. Dict. h.t.