This is the 5970th most frequent Russian word.
семерки
"Семёрки" translates to "sevens" in English, often referring to the number seven or things associated with it.
Here, "семерки" refers to the card game ranking representing the seven-value cards.
На карте выпало пара семерок.
A pair of sevens appeared on the card.
Here, "семерки" signifies a bet on the number seven or items marked by that number.
В казино он поставил на семерки и выиграл.
In the casino, he bet on the sevens and won.
In this case, "семерки" means the numeral seven, often associated with luck.