We found 18 dictionaries that define the word product line:

General (12 matching dictionaries)

1. product line: Merriam-Webster
2. product line: Collins English Dictionary
3. product line: Vocabulary.com
4. Product-line, product-line: Wordnik
5. product line: Infoplease Dictionary
6. product line: Dictionary.com
7. Product line: Wikipedia, the Free Encyclopedia
8. product line: FreeDictionary.org
9. product line: Mnemonic Dictionary
10. product line: TheFreeDictionary.com
11. product line: Rhymezone
12. product line: Wiktionary

Business (4 matching dictionaries)

13. MoneyGlossary.com (No longer online)
14. Product Line: E-Commerce and Marketing Dictionary of Terms
15. BusinessDictionary.com (No longer online)
16. INVESTORWORDS (No longer online)

Computing (1 matching dictionary)

17. product line: Encyclopedia

Tech (1 matching dictionary)

18. AUTOMOTIVE TERMS (No longer online)

(Note: See product_lines as well.)

Definitions from Wiktionary (product line) ▸ noun:  (business) All the goods sold by a manufacturing firm; a group of similar items sold by the same company. Similar: line of business, line, Business Line, line of merchandise, line of products, product base, product, portfolio, bill of goods, combination product, more... Opposite: product range, product mix, product assortment Types: makeup, skincare, haircare, fragrance, bath, body, tools, accessories, more... Phrases: investment product line, Software product line, Product line extension, same product line, more... ▸ Words similar to product line ▸ Usage examples for product line ▸ Idioms related to product line ▸ Wikipedia articles (New!) ▸ Words that often appear near product line ▸ Rhymes of product line ▸ Invented words related to product line