a. [ad. F. syndical, f. syndic SYNDIC sb.] Only in syndical chamber (occas. union) F. chambre syndicale, a union of people engaged in a particular trade, for the protection of their interests; a trade-union.
1864. Gd. Words, 877/2. Skin-dressers, glovers, whitesmiths, harness-makers, &c., all dwell upon the necessity of forming in France syndical chambers,i.e., authorised trade societies, for their respective trades . They look to this syndical chamber to extinguish strikes.
1907. Westm. Gaz., 19 March, 12/1. The Syndical Chamber of Chemical Product Manufacturers.