-st /st/ suffix

1. forms written ORDINAL numbers with 1:
the 1st (=first) prize
my 21st birthday

2. old use or biblical another form of the suffix -est(2):
thou dost (=you do)

[TahlilGaran] Dictionary of Contemporary English ▲

St British English, St. American English

1. the written abbreviation of Street, used in addresses:
Wall St.

2. the written abbreviation of saint:
St Luke’s Gospel

[TahlilGaran] Dictionary of Contemporary English ▲

st British English, st. American English
the written abbreviation of stone or stones:
She weighs 9 st 8 lb.

[TahlilGaran] Dictionary of Contemporary English ▲

1ST
First

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

ST
Sexy Thang 
Shirley Temple (cocktail) 
State 
Street

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲