guard

nouns

a person who keeps watch over something or someone
guard
is a type of (narrower)
a person who cares for persons or property
defender, guardian, protector, shielder
the person who plays that position on a football team
"the left guard was injured on the play"
guard
is a type of (narrower)
one of the players on the line of scrimmage
lineman
a device designed to prevent injury or accidents
guard, safety, safety device
a posture of defence in boxing or fencing
"keep your guard up"
guard
is a type of (narrower)
the arrangement of the body and its limbs
"he assumed an attitude of surrender"
attitude, position, posture
the person who plays the position of guard on a basketball team
guard
is a type of (narrower)
an athlete who plays basketball
basketball player, basketeer, cager
a military unit serving to protect some place or person
guard
is a type of (narrower)
a unit that is part of some military service
"he sent Caesar a force of six thousand men"
force, military force, military group, military unit
a precautionary measure warding off impending danger or damage or injury etc.
"he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down"
guard, precaution, safeguard
the duty of serving as a sentry
"he was on guard that night"
guard, guard duty, sentry duty, sentry go
(American football) a position on the line of scrimmage
"guards must be good blockers"
guard
is a member of
a team that plays football
eleven, football team
is a type of (narrower)
(American football) the position of a player on a football team who is stationed on the line of scrimmage
lineman
a position on a basketball team
guard
is a member of
a team that plays basketball
basketball team, five
is a type of (narrower)
(in team sports) the role assigned to an individual player
"what position does he play?"
position

verbs

to keep watch over
"there would be men guarding the horses"
guard
is a type of (narrower)
follow with the eyes or the mind
"Keep an eye on the baby, please!"; "The world is watching Sarajevo"; "She followed the men with the binoculars"
follow, keep an eye on, observe, watch, watch over
watch over or shield from danger or harm; protect
"guard my possessions while I'm away"
guard, ward
protect against a challenge or attack
"Hold that position behind the trees!"; "Hold the bridge against the enemy's attacks"
defend, guard, hold
take precautions in order to avoid some unwanted consequence
"guard against becoming too friendly with the staff"; "guard against infection"
guard
is a type of (narrower)
perform an action, or work out or perform (an action)
"think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"
act, move