[verb]Beat the cream until it begins to stiffen (= become firm). [I]She stiffened (= tightened her muscles) as he touched her. [I]His body stiffened in fear. [I](figurative) These measures are intended to stiffen the spine/backbone of British industry (= make British industry stronger and more powerful). [T]
STIFFEN
Meaning of STIFFEN in English
Cambridge English vocab. Кембриджский английский словарь. 2012