To inspect closely and intently: The people tried to peer at the new baby elephant at the zoo.

1. Someone of the same rank, value, quality, ability, or standing: Jeff is Stacie's peer in terms of years of experience and education.
2. A member of one of several ranks within British aristocracy: Josh's favorite aunt married an English peer and moved to live with him in his castle in the country.

Regarding social equality based on age, grade, or status: The peer group at Mamie's high school was very active in sports.

1. A protective structure built out over the water and supported by pillars and used as a landing place, a pleasure pavilion, or as a walk for pedestrians: The pier at Santa Barbara, California, was a great place to see fishermen, pelicans waiting for the men to toss them fish that were too small for people to eat, and a view of the Pacific Ocean.
2. The structural support between two openings in a wall; such as, two windows: The large ornate mirror hung in the pier in the dining room and reflected the candle light on the table.
3. A mass of stone, concrete, or steel used to provide support for a wall: The masons reinforced the wall with a pier of stone and gravel.