smock [smɒk]
n
1. (Clothing & Fashion) any loose protective garment, worn by artists, laboratory technicians, etc.
2. (Clothing & Fashion) a woman's loose blouse-like garment, reaching to below the waist, worn over slacks, etc.
3. (Clothing & Fashion) Also called smock frock a loose protective overgarment decorated with smocking, worn formerly esp by farm workers
4. (Clothing & Fashion) Archaic a woman's loose undergarment, worn from the 16th to the 18th centuries
vb
(Clothing, Personal Arts & Crafts / Knitting & Sewing) to ornament (a garment) with smocking
[Old English smocc; related to Old High German smocco, Old Norse smokkr blouse, Middle High German gesmuc decoration]
smocklike adj
Apparently.
I'd quite like a ventile smock in non-dpm.