Yes, straw is a Scrabble word!

Verb

1. Cover or provide with or as if with straw

2. Spread by scattering ("straw" is archaic)

Adjective

1. Of a pale yellow color like straw; straw-colored

Noun

1. Plant fiber used e.g. for making baskets and hats or as fodder

2. Material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

3. A variable yellow tint; dull yellow, often diluted with white

4. A thin paper or plastic tube used to suck liquids into the mouth