1.

2. 小争吵;口角;争执
A spat between people, countries, or organizations is a disagreement between them.

3. (昔时男子使用的)鞋罩
Spats are specially shaped pieces of cloth or leather which button down one side and which were worn in former times by men over their ankles and part of their shoes.

1. a young oyster or other bivalve

2. a cloth covering (a legging) that covers the instep and ankles

Synonym: gaiter

3. a quarrel about petty points

Synonym: bickerbickeringtiffsquabblepettifoggeryfuss