lawn-n; 3 Senses

Sense Number 1: ground covered with grass that is mowed, maintained

Commentary: LAWN[+entity][+structure][+natural][+ground][+covered][+grass][+mowed]

Mary admired the rolled lawns of the old British estate.
John deplored his neighbor's chemically treated lawn.
We've been invited to a lawn party next Sunday.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: even coating of bacteria on a culture medium

Commentary: LAWN[+entity][+structure][+natural][+coating][+even][+bacteria][+culture]

Only one of the Petri dishes had a lawn develop overnight.
The bacterial lawn on the agar appeared orange in color.

WordNet 0.0 Sense Numbers: 1_2

Sense Number 3: fine sheer linen or cotton of plain weave

Commentary: LAWN[+entity][+substance][+fabric][+sheer][+weave][+plain][+linen/+cotton]

Sally advised against making slip covers with such a fine lawn.
These curtains are made from a fine Italian lawn.

WordNet 0.0 Sense Numbers: 2_1