1. (noun) a path or channel or duct through or along which something may pass

• passage

1. (noun) a passage between rooms or between buildings

• aisle
• gangway
• arcade
• areaway
• corridor
• drift
• gallery
• heading
• gangway
• gate
• shaft
• tunnel
• walk-through

2. (noun) a path or channel or duct through or along which something may pass

• birth canal
• canal
• channel
• duct
• epithelial duct
• carpal tunnel
• epicardia
• esophagus
• gorge
• gullet
• oesophagus
• fauces
• fistula
• sinus
• meatus
• opening
• orifice
• porta
• root canal
• shunt
• sinusoid

1. (noun) a passage between rooms or between buildings

• passage

2. (noun) a path or channel or duct through or along which something may pass

• anatomical structure
• bodily structure
• body structure
• complex body part
• structure