What is the meaning of weigh?

verb

• Have a certain weight.
• Show consideration for; take into account.
  • usage: "You must consider her age"; "The judge considered the offender's youth and was lenient"
  • synonyms: consider, count
• Determine the weight of.
  • usage: "The butcher weighed the chicken"
  • synonyms: librate
• Have weight; have import, carry weight.
  • usage: "It does not matter much"
  • synonyms: count, matter
• To be oppressive or burdensome.
  • usage: "weigh heavily on the mind, "Something pressed on his mind"
  • synonyms: press