The term 'Brain Canal' is composed of two crossword solutions, 'LOBE' and 'Iter'. 'LOBE' is a four-letter word that refers to a rounded projection or division of an organ or body part. It is commonly used in reference to the brain, which has four distinct lobes: the frontal LOBE, parietal LOBE, temporal LOBE, and occipital LOBE. 'Iter' is also a four-letter word that means 'a repeated or habitual action'. In this context, it could refer to the brain's ability to repeat certain actions or behaviors. Together, these two words form the term 'Brain Canal', which can be interpreted as the pathways of the brain that allow for the repetition of certain actions.