ar·cane 
(är-kān)
(är-kān)adj.
Known or understood by only a few: arcane economic theories. See Synonyms at mysterious.
[Latin arcānus, secret, from arca, chest.]
- circularization
- circularize
- circularizer
- circularly
- circular measure
- circular mil
- circular saw
- circulate
- circulating library
- circulation
- circulative
- circulator
- circulatory
- circulatory system
- circum-
- circumambience
- circumambiency
- circumambient
- circumambiently
- circumambulate
- circumambulation
- circumboreal
- circumcise
- circumciser
- circumcision