Ses'a-moid or Ses'a-moid'al, a.

a. [Fr. sésamoïde, Gr. σησαμοειδής, from sesame and εἶδος, form, likeness.] (Anat.) Resembling in form the seeds of sesame:—said of the small bones found in the substance of the tendons at the articulations of the great toes, and sometimes at the joints of the thumbs, and in other parts.