a windowlike opening, as one for passing food or dishes between a kitchen and a dining area.
a place through which one passes or is obliged to pass: Motorists used the park as a pass-through. The new gate will be a pass-through for security clearance.
denoting a pass-through; passalong.
Origin of pass-through
1950–55, Americanism; noun and adj. use of verb phrase pass through
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019