cir·cum·ja·cent \| ̷ ̷ ̷ ̷+|jāsənt\adjective Etymology: Latin circumjacent-, circumjacens, present participle of circumjacēre, from circum- + jacēre to lie — more at circum-, gist : lying adjacent on all sides : surrounding < the circumjacent hills — John Buchan > < the whole circumjacent region of which it is the capital — George Borrow >