1. (astronomy) the point in the orbit of one body of a binary system at which it is closest to the centre of mass of the system
   - pericenter [US]

Derived forms: pericentres

• close supporting fire
• close to
• close to the wind
• close together
• close-cropped
• close-fitting
• close-grained
• close-hauled
• close-knit
• close-minded
• close-order drill
• close-packed
• close-quarter fighting
• closed
• closed book
• closed chain
• closed circuit
• closed corporation
• closed couplet
• closed curve
• closed fracture
• closed gentian
• closed in
• closed interval
• closed loop