I. SEC /ˌes iː ˈsiː/
abbreviation for Securities and Exchange Commission

[TahlilGaran] Dictionary of Contemporary English ▲

II. Seˌcurities and Exˈchange Comˌmission, the abbreviation, SEC
a US government organization which makes sure that people and companies obey the laws about the sale of stocks (stock¹) and bonds (bond¹)

[TahlilGaran] Dictionary of Contemporary English ▲

sec /sek/ noun
[Date: 1800-1900; Origin: ⇒ second²]

1. a sec spoken informal a very short period of time
hang 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.

2. the written abbreviation of second:
Journey time: 25 mins 14 secs.

[TahlilGaran] Dictionary of Contemporary English ▲

SEC
Second(s) 
Securities & Exchange Commission (US government)

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲