陸岸 is read as りくがん (rikugan) and means land.
りくがん
rikugan
ろく
six
りく
land
りっきょう
land bridge (biogeography)
りくじょう
track-and-field events
りくぐん
army
りくじょうきょうぎ
りくろ
by land
りくかい
army and navy
りくち
りくうん
land transportation
りくつづき
being joined by land
りくそう