The Collaborative International Dictionary of English v.0.48:
Estaminet \Es`ta`mi`net"\, n. [F.] A caf['e], or room in a caf['e], in which smoking is allowed. [Webster 1913 Suppl.]WordNet (r) 3.0 (2006):
estaminet n 1: a small (and usually shabby) cafe selling wine and beer and coffee