clamshell
noun
clam·shell ˈklam-ˌshel 
1
: the shell of a clam
2
a
: a bucket or grapple (as on a dredge) having two hinged jaws
b
: an excavating machine having a clamshell
c
: either of a pair of doors (as in an airplane tail) that open out and away from each other
d
: a hinged container, case, or cover that opens like the shell of a clam
Example Sentences
Recent Examples on the Web Tuxedo's clamshell charges through its 90 W power supply or over USB-C. 
Scharon Harding, Ars Technica, 23 Aug. 2022 Samsung is expected to announce its next-generation Flip 4 phone – which opens like a clamshell, a design reminiscent of flip phones from the early 2000s – as well as the Z Fold 4, which opens outward like a book to form a tablet. Samantha Murphy Kelly, CNN, 10 Aug. 2022 It’s a lot easier for Samsung to sell the clamshell in those four main colors. Chris Smith, BGR, 1 Aug. 2022 In addition to being notably dimmer than the cheaper Swift 5 clamshell, colors on the ThinkPad X1 Yoga's screen weren't as saturated or nuanced as, say, the Yoga 9i's OLED display. Scharon Harding, Ars Technica, 8 July 2022 Finally, the clamshell also gets an IPX8 water resistance rating, which means liquids won’t get into the handset. Chris Smith, BGR, 11 Aug. 2021 Not the Split Roller, which has a clamshell opening with a divided interior that makes partitioning layers easy. The Editors, Outside Online, 2 July 2022 The first Flip clamshell launched in the first half of 2020. Chris Smith, BGR, 10 May 2021 The University of California recommends placing tomatoes in the crisper drawer in their original clamshell package, a paper bag or a plastic bag with a few slits. Becky Krystal, Washington Post, 11 July 2022 See More
Scharon Harding, Ars Technica, 23 Aug. 2022 Samsung is expected to announce its next-generation Flip 4 phone – which opens like a clamshell, a design reminiscent of flip phones from the early 2000s – as well as the Z Fold 4, which opens outward like a book to form a tablet. Samantha Murphy Kelly, CNN, 10 Aug. 2022 It’s a lot easier for Samsung to sell the clamshell in those four main colors. Chris Smith, BGR, 1 Aug. 2022 In addition to being notably dimmer than the cheaper Swift 5 clamshell, colors on the ThinkPad X1 Yoga's screen weren't as saturated or nuanced as, say, the Yoga 9i's OLED display. Scharon Harding, Ars Technica, 8 July 2022 Finally, the clamshell also gets an IPX8 water resistance rating, which means liquids won’t get into the handset. Chris Smith, BGR, 11 Aug. 2021 Not the Split Roller, which has a clamshell opening with a divided interior that makes partitioning layers easy. The Editors, Outside Online, 2 July 2022 The first Flip clamshell launched in the first half of 2020. Chris Smith, BGR, 10 May 2021 The University of California recommends placing tomatoes in the crisper drawer in their original clamshell package, a paper bag or a plastic bag with a few slits. Becky Krystal, Washington Post, 11 July 2022 See More Word History
First Known Use
circa 1520, in the meaning defined at sense 1