Of a collar, able to be buttoned down to the shirt, as over a necktie.
2
Serious; staid; businesslike.
3
Conservative; conventional; unimaginative.
noun
1
A shirt with a button-down collar
Wearing a stylish pink button-down with white pinstripes, Ozzie Guillen beamed about feeling like he had "come home" when he was presented Wednesday as the manager of the Miami Marlins.
Wearing a stylish pink button-down with white pinstripes, Ozzie Guillen beamed about feeling like he had "come home" when he was presented Wednesday as the manager of the Miami Marlins.
Wiktionary
02
A collar may come in many varieties, from button-down to clerical, and Mandarin to Masonic, but it is never a lapel.
Tatoeba · #4476653
03
Business casual means you can wear khaki trousers with a button-down shirt, but not shorts with a T-shirt.
Tatoeba · #4476829
04
Tom wore a button-down shirt.
Tatoeba · #5670668
05
He wore a pressed button-down collar shirt and black pants.
Tatoeba · #6759718
Usage Notes
i Register
In some senses, button-down is marked as idiomatic, colloquial. Watch for register when choosing this word.