Definitions
1.nounThe act or process of (physically or figuratively) attaching.
2.nounA strong bonding with or fondness for someone or something."I have such an attachment towards my fiancé!"
3.nounA dependence, especially a strong one.
4.nounA device attached to a piece of equipment or a tool.
5.nounThe means by which something is physically attached.
6.nounA file sent along with an email.
7.nounTaking a person's property to satisfy a court-ordered debt."attachment of earnings"
8.nounThe act or process by which any (downward) leader connects to any available (upward) streamer in a lightning flash."2009, Jakke Mäkelä, Eero Karvinen, Niko Porjo, Antti Mäkelä and Tapio Tuomi, Attachment of Natural Lightning Flashes to Trees: Preliminary Statistical Characteristics, published in the Journal of Lightning Research, volume 1"