酥

adjective: crispy; flaky, crumbly
酥

The character 酥 carries several divergent senses at this single reading (archaic 'butter', obsolete 'alcohol', 'flaky pastry', 'weak/limp', 'soft/satiny', and the adjectival 'crispy/flaky'); the crispy/flaky adjective sense was chosen as the most common contemporary usage without further disambiguating context.