n.
1 a machine for stretching cloth to dry in shape.
2 = TENTERHOOK.
Etymology: ME ult. f. med.L tentorium (as TEND(1))
2.
n. Brit.
1 a person in charge of something, esp. of machinery in a factory.
2 a workman's unskilled assistant.
Etymology: tent (now Sc.) pay attention, perh. f. tent attention f. INTENT or obs. attent (as ATTEND)
Useful english dictionary. 2012.