A networking device connecting multiple wires, allowing them to communicate simultaneously, when possible. Compare to the less efficient hub device that solely duplicates network packets to each wire.
A system of specialized relays, computer hardware, or other equipment which allows the interconnection of a calling party's telephone line with any called party's line.
A mechanism within DNA that activates or deactivates a gene.
One who is willing to take either a submissive or a dominant role in a sexual relationship.
A separate mass or tress of hair, or of some substance (such as jute) made to resemble hair, formerly worn on the head by women.
A variant of crazy eights where one card, such as an ace, reverses the direction of play.