Dictionary entry

Fumatorium

Webster's Dictionary 1913

‖Fu′ma‐to″ri‐um (?), n.; L. pl.-ria (#). [NL., fr. L. fumare, fumatum, to smoke.] An air-tight compartment in which vapor may be generated to destroy germs or insects; esp., the apparatus used to destroy San José scale on nursery stock, with hydrocyanic acid vapor.