weigh in

verb

1. To undergo a weigh-in.

   “Two days before the fight, the boxers weigh in with reporters watching.”

   “His trailer weighed in lighter than it should have. He might have a leak.”

2. To subject to a weigh-in.

   “They had to weigh him in at the loading dock.”

   “They weighed every third truck in to check for overweight violations.”

3. To weigh.

   “He weighs in at upwards of 250 pounds.”

   “Weighing in at just 24.8 tonnes and with seating for up to 56 passengers, the demonstrator vehicle has a mass that is an estimated 40% lower than a single-car self-powered heavy rail vehicle of a similar capacity, such as a Class 153.”

4. To bring in one's weight, metaphorically speaking, to bear on an issue; frequently construed with on or with.

   “Everyone wanted to weigh in on what kind of car he should buy.”

   “Everyone spoke freely, until the boss weighed in.”