a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
Also called subminiature.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for subminiature camera
a pocket-sized camera, usually using 16 millimetre film with a very fine grain so that negatives can produce considerably enlarged prints
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012