noun, noun or participle which takes 'suru', transitive verb
a puff; a smoke; a cup of tea
Used for a single serving of something inhaled or sipped, especially tobacco or tea. Often used with する to mean 'have a smoke' or 'take a tea break'.
食後に一服するのが日課です。
Having a smoke after meals is my daily routine.
ちょっと一服いかがですか。
How about a cup of tea?
noun, noun or participle which takes 'suru', intransitive verb
short rest; break
A brief pause from work or activity. Often used with する to mean 'take a short break'.
ここで一服しましょう。
Let's take a short break here.
noun
one dose (of medicine or poison)
Specifically one measured dose, often of powdered medicine or poison. Used as a counter-like noun.
この薬は一服で効く。
This medicine works with just one dose.
noun, noun or participle which takes 'suru', intransitive verb
brief lull (in stock market)
Stock market term for a temporary pause or slight decline in trading activity. Domain-specific.
午後に入って相場は一服した。
In the afternoon, the market took a brief lull.