n. [ Cf. Amer. Sp. tacha, tacho. ] (Sugar Manuf.) Any one of the series of boilers or evaporating pans in which the cane juice is concentrated in making sugar; especially, the last boiler of the series. Ure. [ 1913 Webster ]
The 1890 edition had the following etymology for
n.
The teachers in all the churches assembled. Sir W. Raleigh. [ 1913 Webster ]