The Collaborative International Dictionary
Tentering
Tenter \Ten"ter\, v. i. [imp. & p. p. Tentered; p. pr. & vb. n. Tentering.] To admit extension.
Woolen cloth will tenter, linen scarcely.
--Bacon.
Wiktionary
tentering
n. The stretching of cloth on tenters vb. (present participle of tenter English)