v (transitive) To cause (food, drink etc.) to pass from the mouth into the stomach; to take into the stomach through the throat. (defdate|from 11th c.)
v (transitive) To take (something) in so that it disappears; to consume, absorb. (defdate|from 13th c.)
v (intransitive) To take food down into the stomach; to make the muscular contractions of the oesophagus to achieve this, often taken as a sign of nervousness or strong emotion. (defdate|from 18th c.)
v (transitive) To accept easily or without questions; to believe, accept. (defdate|from 16th c.)
n The amount swallowed in one gulp; the act of swallowing.
n A small, migratory bird of the Hirundinidae family with long, pointed, moon-shaped wings and a forked tail which feeds on the wing by catching insects.