From Longman Dictionary of Contemporary Englisha seca secspoken informal a very short period of timehang on a sec/hold on a sec/just a sec etc (=wait a short time) ‘Is Al there?’ ‘Hold on a sec, I’ll check.’in a sec I’ll be with you in a sec. → sec
Examples from the Corpus
in a sec• I'll be there in a sec.• Other points coming up in a sec. 