ad·ja·cent 
(ə-jāsənt)
(ə-jāsənt)adj.
1. Close to; lying near: adjacent cities.
2. Next to; adjoining: adjacent garden plots.
[Middle English, from Latin adiacēns, adiacent-, present participle of adiacēre, to lie near : ad-, ad- + iacēre, to lie; see yē- in the Appendix of Indo-European roots.]
ad·jacent·ly adv.