(plural daughterboards)
daughterboard

MLA Style
"daughterboard." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/daughterboard>.
APA Style
daughterboard. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/daughterboard
daughterboard - Computer Definition

A printed circuit board that plugs into another printed circuit board, which plugs into the main board (motherboard). Daughterboards, also called "mezzanine cards," augment the capabilities of the card they plug into. See mezzanine card.
MLA Style
"daughterboard." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/daughterboard>.
APA Style
daughterboard. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/daughterboard