1. Making an additional point; anyway
   "I don't want to go to a restaurant; besides, we can't afford it"
   - in any case 
2. In addition
   - too, also, likewise, as well

1. In addition to; as well as

Encyclopedia: Besides

• mother board
• Mother Carey's chicken
• Mother Carey's hen
• mother cell
• mother country
• mother figure
• Mother Goose
• mother hen
• Mother Hubbard
• Mother Jones
• mother lode
• mother of thyme
• Mother Seton
• mother superior
• Mother Teresa
• Mother Theresa
• mother tongue
• mother wit
• mother's boy
• mother's daughter
• Mother's Day
• mother's milk
• mother's son
• mother-in-law
• mother-in-law plant