The Collaborative International Dictionary
Circumlittoral
Circumlittoral \Cir`cum*lit"to*ral\, a. [Pref. circum- + L. littus, littoris, shore; preferable form, litus, litoris.] Adjointing the shore.
Wiktionary
circumlittoral
a. 1 Around, or bordering the shore. 2 Describing the part of the sea bottom immediately beyond the littoral.