A singular noun is a word for one person, place, or thing.
A plural noun is a word for two or more people, places, or things.
Examples:
singular / plural
arrow / arrows
baby / babies
church / churches
day / days
egg / eggs
foot / feet
gate / gates
house / houses
inch / inches
joke / jokes
knife / knives
lake / lakes
man / men
nose / noses
oar / oars
photo / photos
queen / queens
rose / roses
swan / swans
tomato / tomatoes
urchin / urchins
vault / vaults
wish / wishes
x-ray / x-rays
youth / youths
zero / zeros
The singular noun is "louse" and the plural noun is "lice."
noun that are plural in form but singular in meaning
The noun mailbox is the singular form; the plural is mailboxes.
The noun garb is used as a group noun to mean clothing. It uses singular verbs.
The noun cousin is the singular form. The plural noun is cousins.
The singular noun is mean, the plural form is means.
The noun 'mice' is the plural form of the singular noun 'mouse'.
The singular noun is "louse" and the plural noun is "lice."
noun that are plural in form but singular in meaning
The noun children is the plural form of the singular noun child.
The noun 'circus' is a singular noun.The plural noun is 'circuses'.
The noun juggler is a singular noun. The plural noun is jugglers.
The singular noun is trio; the plural noun is trios.
The singular noun is Tuesday.The plural noun is Tuesdays.
The noun 'orchid' is a singular noun, a word for one.The plural noun is 'orchids'.
The noun mailbox is the singular form; the plural is mailboxes.
Statistics is plural, the singular form is statistic.