1. [ noun ] (anatomy,zoology) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
Synonyms: duct epithelial_duct channel

"the tear duct was obstructed" "the alimentary canal" "poison is released through a channel in the snake's fangs"

Related terms: passage bronchiole pore ductule pancreatic_duct canaliculus lacrimal_duct hepatic_duct common_bile_duct ejaculatory_duct cartilaginous_tube salivary_duct lymph_vessel cerebral_aqueduct urethra cervical_canal umbilical_cord vagina epididymis vas_deferens seminal_duct ureter venous_sinus spinal_canal alimentary_canal canal_of_schlemm nasolacrimal_duct haversian_canal canalis_inguinalis lactiferous_duct ampulla transmit
2. [ noun ] (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
Related terms: channel channel astronomy
3. [ verb ] provide with a canal, as of a city
Synonyms: canalise canalize
Related terms: supply canalization
4. [ noun ] long and narrow strip of water made for boats or for irrigation
Related terms: conduit watercourse ship_canal industrial_watercourse cut caledonian_canal raceway cape_cod_canal Erie_Canal new_york_state_barge_canal grand_canal grand_canal lockage lock channel
Similar spelling:   Canale