萱堂 is read as けんどう (kendou) and means mother.
けんどう
kendou
こうどう
auditorium
しょくどう
restaurant
こっかいぎじどう
parliament building
ぎじどう
assembly hall
こうかいどう
town hall
いちどう
one building (hall, temple, shrine, room)
かいどう
church
せいどう
(Confucian) temple
ほんどう
main temple building
でんどう
hall of fame
どう
company
きょうどう
sutra library